| 623170-42-3 | 2-Cyclopenten-1-ol, 4-(2,2-dimethylpropyl)-, (1R,4S)- (9CI) | 2-Cyclopenten-1-ol, 4-(2,2-dimethylpropyl)-, (1R,4S)- (9CI) |
| 623170-44-5 | 2H-Pyran-3,4-dione, dihydro-5-hydroxy-6-methoxy-, (5S,6R)- (9CI) | 2H-Pyran-3,4-dione, dihydro-5-hydroxy-6-methoxy-, (5S,6R)- (9CI) |
| 623172-55-4 | Palmitoyl Tripeptide-5 | Palmitoyl Tripeptide-5 |
| 623172-56-5 | 팔미토일트라이펩타이드-5 | Palmitoyl Tripeptide-5 |
| 623173-08-0 | 메탄올,[(2-아미노에틸)이미노]비스-(9CI) | Methanol, [(2-aminoethyl)imino]bis- (9CI) |
| 623174-20-9 | 타시도틴염산염 | Tasidotin hydrochloride |
| 623175-26-8 | 1H-피롤로[2,3-c]피리딘,5-(3-피리디닐)- | 1H-Pyrrolo[2,3-c]pyridine, 5-(3-pyridinyl)- |
| 623175-86-0 | 보론산,(7-에틸-2,3-디하이드로-3,3-디메틸-5-벤조푸라닐)-(9CI) | Boronic acid, (7-ethyl-2,3-dihydro-3,3-dimethyl-5-benzofuranyl)- (9CI) |
| 623176-87-4 | 벤조산,3,5-디하이드록시-,2,4-펜타디이닐에스테르(9CI) | Benzoic acid, 3,5-dihydroxy-, 2,4-pentadiynyl ester (9CI) |
| 623177-14-0 | 7-클로로-2-메틸-1H-인돌 | 7-CHLORO-2-METHYL-1H-INDOLE |
| 623231-60-7 | DNA(PopulustremulaxPopulustremuloides클론A031P74EST(발현된서열태그)) | DNA (Populus tremula x Populus tremuloides clone A031P74 EST (expressed sequence tag)) |
| 623531-38-4 | 3-사이클로펜텐-1-카복실산,2-메틸-5-옥소-,메틸에스테르(9CI) | 3-Cyclopentene-1-carboxylic acid, 2-methyl-5-oxo-, methyl ester (9CI) |
| 623547-64-8 | 2H-Imidazol-2-one,1,3-dihydro-4-(1-methylethyl)-(9CI) | 2H-Imidazol-2-one,1,3-dihydro-4-(1-methylethyl)-(9CI) |
| 623547-65-9 | 4-TERT-부틸-1,3-디하이드로-이미다졸-2-원 | 4-TERT-BUTYL-1,3-DIHYDRO-IMIDAZOL-2-ONE |
| 623550-16-3 | 4-Bromo-1-methoxy-2-methoxymethoxy-benzene | 4-Bromo-1-methoxy-2-methoxymethoxy-benzene |
| 623550-69-6 | 시아노-(3-에틸-4-옥소-5-페닐아미노메틸렌-티아졸리딘-2-일리덴)-아세트산 | Cyano-(3-ethyl-4-oxo-5-phenylaminomethylene-thiazolidin-2-ylidene)-acetic acid |
| 623550-82-3 | Propanedinitrile, [5-(aminomethylene)-3-ethyl-4-oxo-2-thiazolidinylidene]- (9CI) | Propanedinitrile, [5-(aminomethylene)-3-ethyl-4-oxo-2-thiazolidinylidene]- (9CI) |
| 623551-18-8 | {5-[(4-아세틸아미노-페닐아미노)-메틸렌]-3-에틸-4-옥소-티아졸리딘-2-일리덴}-시아노-아세트산에틸에스테르 | {5-[(4-Acetylamino-phenylamino)-methylene]-3-ethyl-4-oxo-thiazolidin-2-ylidene}-cyano-acetic acid ethyl ester |
| 623553-27-5 | 2-[2-(1,3-Benzoxazol-2-yl)ethyl]-1H-isoindole-1,3(2H)-dione | 2-[2-(1,3-Benzoxazol-2-yl)ethyl]-1H-isoindole-1,3(2H)-dione |
| 623553-29-7 | [2-(1,3-벤조옥사졸-2-일)에틸]아민염산염 | [2-(1,3-Benzoxazol-2-yl)ethyl]amine hydrochloride |
| 623553-41-3 | Cyano-(3-ethyl-5-{[4-(3-morpholin-4-yl-propionylamino)-phenylamino]-methylene}-4-oxo-thiazolidin-2-ylidene)-acetic acid ethyl ester | Cyano-(3-ethyl-5-{[4-(3-morpholin-4-yl-propionylamino)-phenylamino]-methylene}-4-oxo-thiazolidin-2-ylidene)-acetic acid ethyl ester |
| 623558-68-9 | 2-(3-에틸-4-옥소-티아졸리딘-2-일리덴)-말로노니트릴 | 2-(3-Ethyl-4-oxo-thiazolidin-2-ylidene)-malononitrile |
| 623560-01-0 | 1,3-Benzenediol, 5-(1-cyclopentyl-1-methylethyl)- (9CI) | 1,3-Benzenediol, 5-(1-cyclopentyl-1-methylethyl)- (9CI) |
| 623562-22-1 | 4-(N-BOC-아미노)-3-니트로피리딘 | 4-(N-BOC-AMINO)-3-NITROPYRIDINE |
| 623562-29-8 | 5-Oxazolidinone, 2-(hydroxymethyl)-4-(1-methylethyl)-, (2S,4S)- (9CI) | 5-Oxazolidinone, 2-(hydroxymethyl)-4-(1-methylethyl)-, (2S,4S)- (9CI) |
| 623562-56-1 | 4-[3-(Boc-aMino)propyloxyl]aniline | 4-[3-(Boc-aMino)propyloxyl]aniline |
| 623563-07-5 | 2H-Pyran-3,4-dione, dihydro-5-hydroxy-6-methoxy-, (5S,6S)- (9CI) | 2H-Pyran-3,4-dione, dihydro-5-hydroxy-6-methoxy-, (5S,6S)- (9CI) |
| 623563-55-3 | Ethanone, 1-[(1R,6S)-1,6-dihydroxy-2,4-cyclohexadien-1-yl]- (9CI) | Ethanone, 1-[(1R,6S)-1,6-dihydroxy-2,4-cyclohexadien-1-yl]- (9CI) |
| 623563-76-8 | 2-브로모-6-하이드록시-3-니트로피리딘 | 2-Bromo-6-hydroxy-3-nitropyridine |
| 623563-89-3 | 시클로헥산카르보니트릴,5-히드록시-2,2-디메틸-,(1S,5R)-(9CI) | Cyclohexanecarbonitrile, 5-hydroxy-2,2-dimethyl-, (1S,5R)- (9CI) |
| 623563-95-1 | 시클로헥산카르보니트릴,5-히드록시-2,2-디메틸-,(1S,5S)-(9CI) | Cyclohexanecarbonitrile, 5-hydroxy-2,2-dimethyl-, (1S,5S)- (9CI) |
| 623564-10-3 | 2-Cyclohexene-1,2,4,5-tetrol, 3-methyl-, (1S,4S,5S)- (9CI) | 2-Cyclohexene-1,2,4,5-tetrol, 3-methyl-, (1S,4S,5S)- (9CI) |
| 623564-18-1 | 에틸5,6,7,8-테트라히드로이미다조[1,2-A]피라진-2-카르복실산염이염화물0.5수화물 | ETHYL 5,6,7,8-TETRAHYDROIMIDAZO[1,2-A]PYRAZINE-2-CARBOXYLATE DIHYDROCHLORIDE 0.5 HYDRATE |
| 623564-19-2 | 에틸7-METHYL-5,6,7,8-TETRAHYDROIMIDAZO[1,2-A]PYRAZINE-2-CARBOXYLATE | ETHYL 7-METHYL-5,6,7,8-TETRAHYDROIMIDAZO[1,2-A]PYRAZINE-2-CARBOXYLATE |
| 623564-20-5 | Imidazo[1,2-a]pyrazine-2-carboxaldehyde, 5,6,7,8-tetrahydro-7-methyl- (9CI) | Imidazo[1,2-a]pyrazine-2-carboxaldehyde, 5,6,7,8-tetrahydro-7-methyl- (9CI) |
| 623564-25-0 | 1(2H)-피라진카르복실산,3-아미노-5,6-디히드로-,(4-니트로페닐)메틸에스테르 | 1(2H)-Pyrazinecarboxylic acid, 3-aMino-5,6-dihydro-,(4-nitrophenyl)Methyl ester |
| 623564-30-7 | 5-TERT-BUTYL 2-ETHYL 6,7-DIHYDROTHIENO[3,2-C]PYRIDINE-2,5(4H)-DICARBOXYLATE | 5-TERT-BUTYL 2-ETHYL 6,7-DIHYDROTHIENO[3,2-C]PYRIDINE-2,5(4H)-DICARBOXYLATE |
| 623564-35-2 | 8H-Imidazo[2,1-c][1,4]thiazine-2-carboxaldehyde,5,6-dihydro-(9CI) | 8H-Imidazo[2,1-c][1,4]thiazine-2-carboxaldehyde,5,6-dihydro-(9CI) |
| 623564-36-3 | 8H-Imidazo[2,1-c][1,4]thiazine-3-carboxaldehyde,5,6-dihydro-(9CI) | 8H-Imidazo[2,1-c][1,4]thiazine-3-carboxaldehyde,5,6-dihydro-(9CI) |
| 623564-38-5 | 5H-Pyrrolo[1,2-a]imidazole-2-carboxaldehyde,6,7-dihydro-(9CI) | 5H-Pyrrolo[1,2-a]imidazole-2-carboxaldehyde,6,7-dihydro-(9CI) |
| 623564-40-9 | (5R,6Z)-6-[(5,6-Dihydro-8H-iMidazo[2,1-c][1,4]oxazin-2-yl)Methylene]-7-oxo-4-thia-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic Acid SodiuM Salt Hydrate | (5R,6Z)-6-[(5,6-Dihydro-8H-iMidazo[2,1-c][1,4]oxazin-2-yl)Methylene]-7-oxo-4-thia-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic Acid SodiuM Salt Hydrate |
| 623564-42-1 | 8H-Imidazo[2,1-c][1,4]oxazine-2-carboxaldehyde, 5,6-dihydro- (9CI) | 8H-Imidazo[2,1-c][1,4]oxazine-2-carboxaldehyde, 5,6-dihydro- (9CI) |
| 623564-43-2 | 8H-Imidazo[2,1-c][1,4]oxazine-3-carboxaldehyde, 5,6-dihydro- (9CI) | 8H-Imidazo[2,1-c][1,4]oxazine-3-carboxaldehyde, 5,6-dihydro- (9CI) |
| 623564-45-4 | (5,6-dihydro-4H-pyrrolo[1,2-b]pyrazol-2-yl)methanol | (5,6-dihydro-4H-pyrrolo[1,2-b]pyrazol-2-yl)methanol |
| 623564-46-5 | 5,6-디하이드로-4H-피롤로[1,2-b]피라졸-2-카브알데히드 | 5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole-2-carbaldehyde |
| 623564-49-8 | (4,5,6,7-TETRAHYDROPYRAZOLO[1,5-A]PYRIDIN-2-YL)메탄올 | (4,5,6,7-TETRAHYDROPYRAZOLO[1,5-A]PYRIDIN-2-YL)METHANOL |
| 623564-51-2 | 2(1H)-Pyrazinone,5-amino-3,6-dihydro-1-methyl- | 2(1H)-Pyrazinone,5-amino-3,6-dihydro-1-methyl- |
| 623564-53-4 | Imidazo[1,2-a]pyrazine-2-carboxaldehyde, 5,6,7,8-tetrahydro-7-methyl-6-oxo- (9CI) | Imidazo[1,2-a]pyrazine-2-carboxaldehyde, 5,6,7,8-tetrahydro-7-methyl-6-oxo- (9CI) |
| 623564-54-5 | Imidazo[1,2-a]pyrazine-3-carboxaldehyde, 5,6,7,8-tetrahydro-7-methyl-6-oxo- (9CI) | Imidazo[1,2-a]pyrazine-3-carboxaldehyde, 5,6,7,8-tetrahydro-7-methyl-6-oxo- (9CI) |
| 623564-59-0 | ethyl 6,7-dihydro-4H-pyrazolo[5,1-c][1,4]thiazine-2-carboxylate | ethyl 6,7-dihydro-4H-pyrazolo[5,1-c][1,4]thiazine-2-carboxylate |
| 623564-60-3 | ethyl 6,7-dihydro-4H-pyrazolo[5,1-c][1,4]thiazine-3-carboxylate | ethyl 6,7-dihydro-4H-pyrazolo[5,1-c][1,4]thiazine-3-carboxylate |
| 623564-62-5 | 6,7-dihydro-4H-pyrazolo[5,1-c][1,4]thiazine-2-carbaldehyde | 6,7-dihydro-4H-pyrazolo[5,1-c][1,4]thiazine-2-carbaldehyde |
| 623564-65-8 | 4,5-디히드로-6-티아-1,7a-디아자-인덴-2-카르복실산에틸에스테르 | 4,5-Dihydro-6-thia-1,7a-diaza-indene-2-carboxylic acid ethyl ester |
| 623564-66-9 | 4,5-디히드로-6-티아-1,7a-디아자인덴-3-카르복실산에틸에스테르 | 4,5-dihydro-6-thia-1,7a-diazaindene-3-carboxylic acid ethylester |
| 623564-67-0 | 4H,6H-피라졸로[1,5-c]티아졸-2-메탄올 | 4H,6H-Pyrazolo[1,5-c]thiazole-2-methanol |
| 623564-68-1 | 4H,6H-Pyrazolo[1,5-c]thiazole-2-carboxaldehyde (9CI) | 4H,6H-Pyrazolo[1,5-c]thiazole-2-carboxaldehyde (9CI) |
| 623564-71-6 | 4-티아졸아민,2,5-디하이드로-(9CI) | 4-Thiazolamine,2,5-dihydro-(9CI) |
| 623564-72-7 | 5H,7H-Imidazo[1,2-c]thiazole-2-carboxaldehyde (9CI) | 5H,7H-Imidazo[1,2-c]thiazole-2-carboxaldehyde (9CI) |
| 623564-77-2 | 4H-Pyrazolo[5,1-c][1,4]oxazine-2-carboxaldehyde,6,7-dihydro-4-oxo-(9CI) | 4H-Pyrazolo[5,1-c][1,4]oxazine-2-carboxaldehyde,6,7-dihydro-4-oxo-(9CI) |
| 623564-80-7 | 6,7-디히드로-4h-티에노[3,2-c]피란-2-카르브알데히드 | 6,7-dihydro-4h-thieno[3,2-c]pyran-2-carbaldehyde |
| 623564-91-0 | 5H-Imidazo[1,2-a]azepine-2-carboxaldehyde,6,7,8,9-tetrahydro-(9CI) | 5H-Imidazo[1,2-a]azepine-2-carboxaldehyde,6,7,8,9-tetrahydro-(9CI) |
| 623565-07-1 | 6,7-dihydro-4H-pyrazolo[5,1-c][1,4]thiazine-2-carbaldehyde dioxide | 6,7-dihydro-4H-pyrazolo[5,1-c][1,4]thiazine-2-carbaldehyde dioxide |
| 623565-14-0 | (피라졸로[1,5-a]피라진-2,5(4H)-디카르복실산,6,7-디히드로-,2-에틸5-[(4-니트로페닐)메틸]에스테르) | (Pyrazolo[1,5-a]pyrazine-2,5(4H)-dicarboxylic acid, 6,7-dihydro-, 2-ethyl5-[(4-nitrophenyl)Methyl] ester ) |
| 623565-43-5 | 피라졸로[5,1-b]티아졸-6-카르복스알데히드,2,3-디히드로-(9CI) | Pyrazolo[5,1-b]thiazole-6-carboxaldehyde, 2,3-dihydro- (9CI) |
| 623565-44-6 | 피라졸로[5,1-b]티아졸-7-카르복스알데히드,2,3-디히드로-(9CI) | Pyrazolo[5,1-b]thiazole-7-carboxaldehyde, 2,3-dihydro- (9CI) |
| 623565-45-7 | 피라졸로[5,1-b]티아졸-6-메탄올,2,3-디하이드로- | Pyrazolo[5,1-b]thiazole-6-methanol, 2,3-dihydro- |
| 623565-48-0 | ethyl 2,3-dihydropyrazolo[5,1-b][1,3]oxazole-6-carboxylate | ethyl 2,3-dihydropyrazolo[5,1-b][1,3]oxazole-6-carboxylate |
| 623565-57-1 | 4H-피라졸로[5,1-c][1,4]옥사진-2-카르복실산,6,7-디히드로-,에틸에스테르 | 4H-Pyrazolo[5,1-c][1,4]oxazine-2-carboxylic acid, 6,7-dihydro-, ethyl ester |
| 623565-58-2 | 4H-Pyrazolo[5,1-c][1,4]oxazine-2-methanol, 6,7-dihydro- | 4H-Pyrazolo[5,1-c][1,4]oxazine-2-methanol, 6,7-dihydro- |
| 623565-59-3 | 4H-Pyrazolo[5,1-c][1,4]oxazine-2-carboxaldehyde, 6,7-dihydro- (9CI) | 4H-Pyrazolo[5,1-c][1,4]oxazine-2-carboxaldehyde, 6,7-dihydro- (9CI) |
| 623565-62-8 | (6,7-DIHYDRO-5H-PYRAZOLO[5,1-B][1,3]OXAZIN-2-YL)METHANOL | (6,7-DIHYDRO-5H-PYRAZOLO[5,1-B][1,3]OXAZIN-2-YL)METHANOL |
| 623565-63-9 | 5H-Pyrazolo[5,1-b][1,3]oxazine-2-carboxaldehyde, 6,7-dihydro- (9CI) | 5H-Pyrazolo[5,1-b][1,3]oxazine-2-carboxaldehyde, 6,7-dihydro- (9CI) |
| 623565-69-5 | (4,5,6,7-테트라히드로피라졸로[1,5-A]피라진-2-일)메탄올 | (4,5,6,7-TETRAHYDROPYRAZOLO[1,5-A]PYRAZIN-2-YL)METHANOL |
| 623569-87-9 | 시클로헵탄카르보니트릴,1-(2-피리디닐)-(9CI) | Cycloheptanecarbonitrile, 1-(2-pyridinyl)- (9CI) |
| 623570-12-7 | 시클로헥산카르보니트릴,1-(1H-이미다졸-4-일)-(9CI) | Cyclohexanecarbonitrile, 1-(1H-imidazol-4-yl)- (9CI) |
| 623570-18-3 | 사이클로헥산카보니트릴,1-(3-아미노페닐)- | Cyclohexanecarbonitrile,1-(3-aminophenyl)- |
| 623570-54-7 | 4-CHLORO-3-FORMYLPYRAZOLE
| 4-CHLORO-3-FORMYLPYRAZOLE
|
| 623571-05-1 | 옥시란카르보닐클로라이드,3-페닐-,(2R,3S)-(9CI) | Oxiranecarbonyl chloride, 3-phenyl-, (2R,3S)- (9CI) |
| 623571-19-7 | 옥시란카보닐클로라이드,3-페닐-,(2S,3S)-(9CI) | Oxiranecarbonyl chloride, 3-phenyl-, (2S,3S)- (9CI) |
| 623571-91-5 | Cyclopentapyrazole, 2,4,5,6-tetrahydro-3-methyl-2-(2-propynyl)- (9CI) | Cyclopentapyrazole, 2,4,5,6-tetrahydro-3-methyl-2-(2-propynyl)- (9CI) |
| 623571-92-6 | Cyclopentapyrazole, 1,4,5,6-tetrahydro-3-methyl-1-(2-propynyl)- (9CI) | Cyclopentapyrazole, 1,4,5,6-tetrahydro-3-methyl-1-(2-propynyl)- (9CI) |
| 623572-69-0 | 1H-Indene-3-carbonitrile,5-methoxy-6-methyl-(9CI) | 1H-Indene-3-carbonitrile,5-methoxy-6-methyl-(9CI) |
| 623572-70-3 | 1H-Indene-1-carbonitrile,2,3-dihydro-6-methoxy-5-methyl-(9CI) | 1H-Indene-1-carbonitrile,2,3-dihydro-6-methoxy-5-methyl-(9CI) |
| 623572-97-4 | 1H-Imidazole,2-(2,3-dihydro-5-methyl-1H-inden-1-yl)-4,5-dihydro-(9CI) | 1H-Imidazole,2-(2,3-dihydro-5-methyl-1H-inden-1-yl)-4,5-dihydro-(9CI) |
| 623573-17-1 | 1H-Imidazole,2-(6-ethyl-2,3-dihydro-5-methyl-1H-inden-1-yl)-4,5-dihydro-(9CI) | 1H-Imidazole,2-(6-ethyl-2,3-dihydro-5-methyl-1H-inden-1-yl)-4,5-dihydro-(9CI) |
| 623573-71-7 | 에틸6,7-디히드로-4H-티에노[3,2-c]피란-2-카르복실레이트 | ethyl 6,7-dihydro-4H-thieno[3,2-c]pyran-2-carboxylate |
| 623574-78-7 | 2H-Pyrrol-2-one,3,4-dichloro-1,5-dihydro-(9CI) | 2H-Pyrrol-2-one,3,4-dichloro-1,5-dihydro-(9CI) |
| 623575-91-7 | 테트라시아노붕산나트륨 | Sodium tetracyanoborate |
| 623577-33-3 | 5-(4-Fluoro-phenyl)-1-methyl-1,2-dihydropyrazol-3-one | 5-(4-Fluoro-phenyl)-1-methyl-1,2-dihydropyrazol-3-one |
| 623577-34-4 | 5-(4-fluorophenyl)-1-methyl-1H-pyrazol-3-yltrifluoromethanesulfonate | 5-(4-fluorophenyl)-1-methyl-1H-pyrazol-3-yltrifluoromethanesulfonate |
| 623577-59-3 | 4-BROMO-1-(4-FLUORO-페닐)-1H-이미다졸 | 4-BROMO-1-(4-FLUORO-PHENYL)-1H-IMIDAZOLE |
| 623577-60-6 | 4-브로모-1-(이소프로필)-1H-이미다졸 | 4-BroMo-1-(iso-propyl)-1H-iMidazole |
| 623579-03-3 | (2S,3R)-rel-1-Methyl-2-(3-pyridinyl)-3-pyrrolidinemethanamine | (2S,3R)-rel-1-Methyl-2-(3-pyridinyl)-3-pyrrolidinemethanamine |
| 623579-51-1 | 1H-Thieno[3,4-d]iMidazole-4-pentanaMide, N-[[4-(aMinosulfonyl)phenyl]Methyl]hexahydro-2-oxo-, (3aS,4S,6aR)- | 1H-Thieno[3,4-d]iMidazole-4-pentanaMide, N-[[4-(aMinosulfonyl)phenyl]Methyl]hexahydro-2-oxo-, (3aS,4S,6aR)- |
| 623579-52-2 | 1H-Thieno[3,4-d]iMidazole-4-pentanaMide, N-[2-(2,5-dioxo-3-pyrrolidinyl)ethyl]hexahydro-2-oxo-, (3aS,4S,6aR)- | 1H-Thieno[3,4-d]iMidazole-4-pentanaMide, N-[2-(2,5-dioxo-3-pyrrolidinyl)ethyl]hexahydro-2-oxo-, (3aS,4S,6aR)- |
| 623580-00-7 | 3-아자비시클로[3.2.0]헵탄-3-카르보닐클로라이드(9CI) | 3-Azabicyclo[3.2.0]heptane-3-carbonyl chloride (9CI) |
| 623580-01-8 | 2,2-디메틸피롤리딘염산염 | 2,2-Dimethylpyrrolidine hydrochloride |
| 623580-02-9 | 1-부틸-1-메틸피페리디늄비스(트리플루오로메틸술포닐)이미드 | 1-BUTYL-1-METHYLPIPERIDINIUM BIS(TRIFLUOROMETHYLSULFONYL)IMIDE |
| 623582-53-6 | tert-부틸(3R)-3-{[(벤질옥시)카르보닐]아미노}-4-(히드록시메틸) | tert-butyl (3R)-3-{[(benzyloxy)carbonyl]aMino}-4-(hydroxyMethyl) |
| 623582-54-7 | 카르밤산,[(1S,2R)-2-(히드록시메틸)시클로펜틸]-,1,1-디메틸에틸 | Carbamic acid, [(1S,2R)-2-(hydroxymethyl)cyclopentyl]-, 1,1-dimethylethyl |