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2-Butenenitrile, 2-acetyl-3-hydroxy-, (2Z)- (9CI) 2-Butenenitrile, 2-acetyl-3-hydroxy-, (2Z)- (9CI)
3-Buten-2-one, 4-(ethylamino)-3-methyl- (9CI) 3-Buten-2-one, 4-(ethylamino)-3-methyl- (9CI)
2-BUT-3-ENYL-4-METHOXY-1-VINYL-BENZENE 2-BUT-3-ENYL-4-METHOXY-1-VINYL-BENZENE
2-Butenoic acid, 3-hydroxy-, methyl ester (9CI) 2-Butenoic acid, 3-hydroxy-, methyl ester (9CI)
2-Butenamide,2-fluoro-4-hydroxy-N,N-dimethyl-,(E)-(9CI) 2-Butenamide,2-fluoro-4-hydroxy-N,N-dimethyl-,(E)-(9CI)
1-[1-(3-BUTENYLOXY)-2,2,2-TRIFLUOROETHYL]BENZENE 1-[1-(3-BUTENYLOXY)-2,2,2-TRIFLUOROETHYL]BENZENE
3-BUTENYLTRIETHOXYSILANE 3-丁烯三乙氧基硅烷
2-Butenoicacid,4-(1-ethyl-1H-pyrrol-2-yl)-2-hydroxy-4-oxo-(9CI) 2-Butenoicacid,4-(1-ethyl-1H-pyrrol-2-yl)-2-hydroxy-4-oxo-(9CI)
3-BUTEN-2-ONE, 3-(2-(2-(DIETHYLAMINO)ETHOXY)PHENOXY)-4-PHENYL-, CITRAT E (1:1), ( 3-BUTEN-2-ONE, 3-(2-(2-(DIETHYLAMINO)ETHOXY)PHENOXY)-4-PHENYL-, CITRAT E (1:1), (
2-Butenedioic acid (E)-, polymer with 2,2'-oxybis(ethanol) and 3a,4,7,7a-tetrahydro-1,3-isobenzofurandione 反丁烯二酸与四氢邻苯二甲酸酐和二乙二醇的聚合物
2-Butenedioic acid(Z)-, dioctyl ester, polymer with ethene and ethenyl acetate (Z)-2-丁烯二酸二辛酯与乙烯和乙酸乙烯酯的聚合物
2-Butenedioic acid, mono[2-[(2-methyl-1-oxy-2-propenyl)oxy]ethyl]ester 2-丁烯二酸-2-[(2-甲基-1-氧基-2-丙烯基)氧基]单乙酯
3-Butenoicacid,2-amino-3,4,4-trifluoro-(9CI) 3-Butenoicacid,2-amino-3,4,4-trifluoro-(9CI)
3-Buten-2-one, 4-amino-4-hydroxy-3-methyl-, (3Z)- (9CI) 3-Buten-2-one, 4-amino-4-hydroxy-3-methyl-, (3Z)- (9CI)
3-Buten-1-one,1-(1-methyl-1H-benzimidazol-2-yl)-(9CI) 3-Buten-1-one,1-(1-methyl-1H-benzimidazol-2-yl)-(9CI)
3-Buten-1-one,1-(6-methoxy-3-pyridinyl)-(9CI) 3-Buten-1-one,1-(6-methoxy-3-pyridinyl)-(9CI)
3-BUTENE-1,2-DIOL 丁烯二醇
3-Buten-2-one,4-(2-benzothiazolyl)-(9CI) 3-Buten-2-one,4-(2-benzothiazolyl)-(9CI)
3-Buten-2-one,4-(2-imino-3(2H)-thiazolyl)-(9CI) 3-Buten-2-one,4-(2-imino-3(2H)-thiazolyl)-(9CI)
1-BUTENAL 1-BUTENAL
3-BUTENYLGLUCOSINATE 3-BUTENYLGLUCOSINATE
3-BUTEN-2-OL,4-(2,6,6-TRIMETHYL-2-CYCLOHEXEN-1-YL)- 3-BUTEN-2-OL,4-(2,6,6-TRIMETHYL-2-CYCLOHEXEN-1-YL)-
2-BUTENOICACID,2-METHYL-,3-HEXENYLESTER, 2-BUTENOICACID,2-METHYL-,3-HEXENYLESTER,
2-Buten-1-ol, 4-(6-amino-9H-purin-9-yl)-, (E)- 2-Buten-1-ol, 4-(6-amino-9H-purin-9-yl)-, (E)-
3-Buten-2-one, 4-(3-furanyl)-, (Z)- (9CI) 3-Buten-2-one, 4-(3-furanyl)-, (Z)- (9CI)
2-Butenenitrile,2-(dimethylamino)-4-oxo-,(E)-(9CI) 2-Butenenitrile,2-(dimethylamino)-4-oxo-,(E)-(9CI)
Butenolide A B 白术内酯 A B
3-Buten-2-one,4-(3-ethoxy-4-methoxyphenyl)-(9CI) 3-Buten-2-one,4-(3-ethoxy-4-methoxyphenyl)-(9CI)
3-Buten-2-one, 4-(1H-1,2,4-triazol-1-yl)- (8CI,9CI)
2-Butenedioic acid (2E)-, di-C18-22-alkyl esters, polymers with vinyl acetate (E)-2-丁烯二酸二-C18-22-烷酯与乙酸乙烯酯的聚合物
2-Butenedioic acid (2E)-, dibutyl ester, polymer with ethenylbenzene, 2-hydroxyethyl 2-methyl-2-propenoate and methyl 2-methyl-2-propenoate 2-Butenedioic acid (2E)-, dibutyl ester, polymer with ethenylbenzene, 2-hydroxyethyl 2-methyl-2-propenoate and methyl 2-methyl-2-propenoate
3-Buten-2-ol, 3-methyl-4-(2,6,6-trimethyl-2-cyclohexen-1-yl)- 3-Buten-2-ol, 3-methyl-4-(2,6,6-trimethyl-2-cyclohexen-1-yl)-
3-Buten-2-one, 4-(2,3,6-trimethylphenyl)- 3-Buten-2-one, 4-(2,3,6-trimethylphenyl)-
2-Butenoicacid,2-[(dimethylamino)methyl]-3-methyl-(9CI) 2-Butenoicacid,2-[(dimethylamino)methyl]-3-methyl-(9CI)
2-Butenedioic acid (2E)-, polymer with butyl 2-propenoate and methyl 2 -propenoate 2-Butenedioic acid (2E)-, polymer with butyl 2-propenoate and methyl 2 -propenoate
3-Buten-2-one, 4-[(1,1-dimethylethyl)amino]- (9CI) 3-Buten-2-one, 4-[(1,1-dimethylethyl)amino]- (9CI)
3-BUTEN-2-OL 3-丁烯-2-醇
But-2-en-2-ol, (E)- But-2-en-2-ol, (E)-
1-Butene, 1-ethoxy-3-methyl-, (E) 正丁烯,1-乙氧基-3-甲基-,(E)
3-Butenoicacid,4-(4-cyano-3-methylphenyl)-,(3E)-(9CI) 3-Butenoicacid,4-(4-cyano-3-methylphenyl)-,(3E)-(9CI)
3-Buten-2-one, 4-(p-methoxyphenyl)-, semicarbazone 3-Buten-2-one, 4-(p-methoxyphenyl)-, semicarbazone
2-Butenamide, 3-hydroxy-N,N-dimethyl- (9CI) 2-Butenamide, 3-hydroxy-N,N-dimethyl- (9CI)
(3-BUTEN-1-YL)TRIPHENYLPHOSPHONIUM BROMIDE (3-BUTEN-1-YL)TRIPHENYLPHOSPHONIUM BROMIDE
2-Butenenitrile, 2-(ethylthio)-3-hydroxy- (9CI) 2-Butenenitrile, 2-(ethylthio)-3-hydroxy- (9CI)
3-Buten-2-one, 4-(propylamino)- (9CI) 3-Buten-2-one, 4-(propylamino)- (9CI)
2-Butenoic acid, 4-(2-hydroxy-6-oxo-1-cyclohexen-1-yl)-, ethyl ester, (2E)- (9CI) 2-Butenoic acid, 4-(2-hydroxy-6-oxo-1-cyclohexen-1-yl)-, ethyl ester, (2E)- (9CI)
3-Buten-2-one, 4-(1H-1,2,3-triazol-1-yl)- (8CI,9CI) 3-Buten-2-one, 4-(1H-1,2,3-triazol-1-yl)- (8CI,9CI)
2-Butenedioic acid (2E)-, dibutyl ester, polymer with ethenylbenzene and 2-hydroxyethyl 2-methyl-2-propenoate 2E-2-丁烯二酸二丁酯与乙烯苯和2-甲基-2丙烯酸-2-羟基乙酯的聚合物
3-Buten-2-one, 4-[(2R,3R)-3-acetyloxiranyl]-, (3Z)-rel- (9CI) 3-Buten-2-one, 4-[(2R,3R)-3-acetyloxiranyl]-, (3Z)-rel- (9CI)
3-Buten-2-ol,4-(2-pyridinyl)-,(E)-(9CI) 3-Buten-2-ol,4-(2-pyridinyl)-,(E)-(9CI)
2-Butenedioic acid (2Z)-, dioctyl ester, polymer with ethenyl acetate 2-丁烯二羧酸(Z)-二丁酯与乙酸乙烯酯的聚合物
3-Buten-2-one, 4-methoxy-3-methyl-, (3E)- (9CI) 3-Buten-2-one, 4-methoxy-3-methyl-, (3E)- (9CI)
2-Butenedioic acid (2Z)-, dibutyl ester, polymer with 1-hexadecene and 1-tetradecene 2-Butenedioic acid (2Z)-, dibutyl ester, polymer with 1-hexadecene and 1-tetradecene
2-Buten-1-one,1-[(1R,3S)-1-methyl-3-(1-methylethyl)cyclopentyl]-,(2E)-(9CI) 2-Buten-1-one,1-[(1R,3S)-1-methyl-3-(1-methylethyl)cyclopentyl]-,(2E)-(9CI)
BUTENAFIL HCL BUTENAFIL HCL
but-2-enedioic acid: 9-chloro-6-phenyl-2-[2-(1-piperidyl)ethyl]-2,5-di azabicyclo[5.4.0]undeca-5,8,10,12-tetraen-3-one but-2-enedioic acid: 9-chloro-6-phenyl-2-[2-(1-piperidyl)ethyl]-2,5-di azabicyclo[5.4.0]undeca-5,8,10,12-tetraen-3-one
but-2-enedioic acid, 1-thiophen-2-yl-7,8-dioxa-3-azabicyclo[3.2.1]octa ne but-2-enedioic acid, 1-thiophen-2-yl-7,8-dioxa-3-azabicyclo[3.2.1]octa ne
3-Buten-2-one, 4-(2-pyrimidinyl)-, (3E)- (9CI) 3-Buten-2-one, 4-(2-pyrimidinyl)-, (3E)- (9CI)
3-Buten-2-one, 4-(2-propenylamino)-, (E)- (9CI) 3-Buten-2-one, 4-(2-propenylamino)-, (E)- (9CI)
but-2-enedioic acid, 8-[(2-methoxy-7,10-dioxabicyclo[4.4.0]deca-2,4,11 -trien-9-yl)methyl]-1-thia-4,8-diazaspiro[4.5]decan-3-one but-2-enedioic acid, 8-[(2-methoxy-7,10-dioxabicyclo[4.4.0]deca-2,4,11 -trien-9-yl)methyl]-1-thia-4,8-diazaspiro[4.5]decan-3-one
3-Buten-2-one, 3-ethoxy- (9CI) 3-Buten-2-one, 3-ethoxy- (9CI)
3-Buten-2-one, 4-(2-propenylamino)- (9CI) 3-Buten-2-one, 4-(2-propenylamino)- (9CI)
2-Butenenitrile, 2-acetyl-3-amino-, (2Z)- (9CI) 2-Butenenitrile, 2-acetyl-3-amino-, (2Z)- (9CI)
3-Buten-2-one, 4-amino-4-(methylthio)- (9CI) 3-Buten-2-one, 4-amino-4-(methylthio)- (9CI)
3-Buten-2-one, 4-[(1-methylene-2-propynyl)oxy]-, (3E)- (9CI) 3-Buten-2-one, 4-[(1-methylene-2-propynyl)oxy]-, (3E)- (9CI)
2-BUTENYLENEBIS(TRIPHENYLPHOSPHONIUM) DIBROMIDE 2-丁烯二(三苯基磷)二溴化物
3-Buten-2-one, 4-(methoxymethoxy)-3-methyl-, (3E)- (9CI) 3-Buten-2-one, 4-(methoxymethoxy)-3-methyl-, (3E)- (9CI)
2-(2-BUTENYL)PHENOL 2-(2-BUTENYL)PHENOL
2-BUTENE-1,4-DIOL-DI-ISOBUTYRATE 二异丁酸-2-丁烯-1,4-二醇酯
butenylbenzene butenylbenzene
2-Butenoicacid,3-[4-(2-methylpropyl)phenyl]-(9CI) 2-Butenoicacid,3-[4-(2-methylpropyl)phenyl]-(9CI)
2-Butenoicacid,4-[(3-ethylphenyl)amino]-4-oxo-(9CI) 2-Butenoicacid,4-[(3-ethylphenyl)amino]-4-oxo-(9CI)
4-(3-BUTENYL)BENZOIC ACID 4-(3-丁烯基)苯甲酸
2-BUTENE-1,1,1,4,4,4-D6 2-BUTENE-1,1,1,4,4,4-D6
1-(2-BUTENYL)-N-(4-METHOXYPHENYL)-2-OXO-1,2-DIHYDRO-3-PYRIDINECARBOXAMIDE 1-(2-BUTENYL)-N-(4-METHOXYPHENYL)-2-OXO-1,2-DIHYDRO-3-PYRIDINECARBOXAMIDE
2-Buten-1-one, 2,3-difluoro-1-phenyl-, (2Z)- (9CI) 2-Buten-1-one, 2,3-difluoro-1-phenyl-, (2Z)- (9CI)
3-Buten-2-one, 4-oxiranyl-, (3Z)- (9CI) 3-Buten-2-one, 4-oxiranyl-, (3Z)- (9CI)
2-Butenedioic acid (2Z)-, dibutyl ester, polymer with ethenyl acetate and 2-methyl-2,4-pentanediol 2-Butenedioic acid (2Z)-, dibutyl ester, polymer with ethenyl acetate and 2-methyl-2,4-pentanediol
3-Butenyl polystyrene, 200 - 400 mesh, 2 DVB 3-Butenyl polystyrene, 200 - 400 mesh, 2% DVB
2-Butenedioic acid (2Z)-, polymer with 2-propenoic acid, sodium salt 马来酸与丙烯酸钠盐的聚合物
2-Butenoicacid,2-amino-,2-cyanoethylester(9CI) 2-Butenoicacid,2-amino-,2-cyanoethylester(9CI)
2-(3-BUTENYL)BENZOIC ACID 2-(3-BUTENYL)BENZOIC ACID
2-Butenoicacid,2-methyl-,1-ethyl-4-piperidinylester,(2E)-(9CI) 2-Butenoicacid,2-methyl-,1-ethyl-4-piperidinylester,(2E)-(9CI)
3-Butenoicacid,2-amino-2-methyl-,(2R)-(9CI) 3-丁烯酸,2-氨基-2-甲基-,(2R)-(9CI)
2-Butenoic acid, 3-hydroxy-, propyl ester (9CI) 2-Butenoic acid, 3-hydroxy-, propyl ester (9CI)
3-Buten-2-one, 4-(2,2-dimethyl-1-aziridinyl)- (9CI) 3-Buten-2-one, 4-(2,2-dimethyl-1-aziridinyl)- (9CI)
2-BUTENE-2,3-D2 (GAS) (CIS/TRANS MIXTURE) 2-BUTENE-2,3-D2 (GAS) (CIS/TRANS MIXTURE)
BUTENE, HOMOPOLYMER, SULFURIZED BUTENE, HOMOPOLYMER, SULFURIZED
3-Butenal,4-(2-benzothiazolyl)-(8CI) 3-Butenal,4-(2-benzothiazolyl)-(8CI)
3-Butenenitrile,4-(4-fluorophenyl)-(9CI) 3-Butenenitrile,4-(4-fluorophenyl)-(9CI)
2-Butenoic acid, 2-amino-3-hydroxy- (9CI) 2-Butenoic acid, 2-amino-3-hydroxy- (9CI)
3-Buten-2-one,4-(2-methyl-1H-benzimidazol-1-yl)-(9CI) 3-Buten-2-one,4-(2-methyl-1H-benzimidazol-1-yl)-(9CI)
2-Butenoic acid, 4-methoxy-, methyl ester 2-Butenoic acid, 4-methoxy-, methyl ester
BUT-2-ENOIC ACID 7-OXO-CYCLOHEPT-1-ENYLMETHYL ESTER BUT-2-ENOIC ACID 7-OXO-CYCLOHEPT-1-ENYLMETHYL ESTER
3-Buten-2-one, 4-(1-methylcyclobutyl)- (9CI) 3-Buten-2-one, 4-(1-methylcyclobutyl)- (9CI)
2-Butenenitrile,4-(2-formylphenoxy)-,(2E)-(9CI) 2-Butenenitrile,4-(2-formylphenoxy)-,(2E)-(9CI)
3-(but-2-enyl)-2-methyl-4-oxocyclopent-2-enyl2,2-dimethyl-3-(3-methoxy-2-methyl-3-oxoprop-1-enyl)cyclopropanecarboxylate 瓜叶菊酯2
But-2-enylidene-[1-methyl-1-(4-methyl-cyclohex-3-enyl)-ethyl]-amine But-2-enylidene-[1-methyl-1-(4-methyl-cyclohex-3-enyl)-ethyl]-amine
3-Buten-2-one, 4-(acetyloxy)-3-methyl- (9CI) 3-Buten-2-one, 4-(acetyloxy)-3-methyl- (9CI)
2-Butenoic acid, 4-(1,3-benzodioxol-5-yl)-4-oxo-, (E)- (E)-4-(苯并[D][1,3]二噁茂-5-基)-4-氧代丁-2-烯酸
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