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2-Butenal, 3-[(2-oxopropyl)amino]-, (Z)- (9CI) 2-Butenal, 3-[(2-oxopropyl)amino]-, (Z)- (9CI)
3-Buten-2-one, 4-(dimethylamino)-4-fluoro-, (Z)- (8CI,9CI) 3-Buten-2-one, 4-(dimethylamino)-4-fluoro-, (Z)- (8CI,9CI)
1-Buten-1-one, 2-phenyl- 1-Buten-1-one, 2-phenyl-
3-Buten-2-one, 4-hydroxy-4-(6-methoxy-2-naphthalenyl)-, (3Z)- 3-Buten-2-one, 4-hydroxy-4-(6-methoxy-2-naphthalenyl)-, (3Z)-
1-Butene, 4-bromo-3,3,4,4-tetrafluoro-, polymer with 1,1-difluoroethene, 1,1,2,3,3,3-hexafluoro-1-propene and tetrafluoroethene 4-溴-3,3,4,4-四氟-1-丁烯与1,1-二氟乙烯、1,1,2,3,3,3-六氟-1-丙烯和四氟乙烯的聚合物
4-BUTENYL PYRIDINE 4-BUTENYL PYRIDINE
1-Buten-1-one, 2-(2-pyridinyl)- (9CI) 1-Buten-1-one, 2-(2-pyridinyl)- (9CI)
2-Butenoic acid, 3-hydroxy-2-methyl- (9CI) 2-Butenoic acid, 3-hydroxy-2-methyl- (9CI)
2-Butenedioic acid (2Z)-, disodium salt, reaction products with disodium phosphonate 2-BUTENEDIOIC ACID (2Z)-, DISODIUM SALT, REACTION PRODUCTS WITH DISODIUM PHOSPHONATE
2-Butenoicacid,bicyclo[2.2.1]hept-2-ylester(9CI) 2-Butenoicacid,bicyclo[2.2.1]hept-2-ylester(9CI)
2-Butenedioic acid (E)-, polymer with methyloxirane, oxirane and 1,2,3-propanetriol 2-丁烯二酸(E)与甲基环氧乙烷、环氧乙烷和1,2,3-丙三醇的聚合物
but-2-enedioic acid, 2-methylsulfanyl-N-(1-phenethyl-4-piperidyl)-N-ph enyl-acetamide but-2-enedioic acid, 2-methylsulfanyl-N-(1-phenethyl-4-piperidyl)-N-ph enyl-acetamide
3-Buten-2-one,3-(4-pyridinyl)-(9CI) 3-Buten-2-one,3-(4-pyridinyl)-(9CI)
2-Butenedioic acid (2Z)-, mono(1-methylethyl) ester, reaction products with maleic anhydride and polyethylene, ethoxylated propoxylated 乙氧基丙氧基化[(Z)-丁烯二酸单异丙酯与马来酸酐和聚乙烯]的反应产物
2-Butenoicacid,4-(3,4-dihydroxyphenyl)-4-oxo-,(E)-(9CI) 2-Butenoicacid,4-(3,4-dihydroxyphenyl)-4-oxo-,(E)-(9CI)
2-Butenedioic acid (Z)-, polymer with 1,3-butadiene, ethenylbenzene and 2-methyl- 2-propenamide (Z)-2-丁烯二酸与1,3-丁二烯、乙烯基苯和2-甲基-2-丙烯酰胺的聚合物
3-Buten-2-ol,4-(4-pyridinyl)-,(E)-(9CI) 3-Buten-2-ol,4-(4-pyridinyl)-,(E)-(9CI)
2-BUTENE,1-CHLORO-2-METHYL- 2-BUTENE,1-CHLORO-2-METHYL-
2-Butenoicacid,3-[4-(1-methylethyl)phenyl]-(9CI) 2-Butenoicacid,3-[4-(1-methylethyl)phenyl]-(9CI)
2-Buten-1-one,3-methyl-1-(2,3,4-trihydroxyphenyl)-(9CI) 2-Buten-1-one,3-methyl-1-(2,3,4-trihydroxyphenyl)-(9CI)
3-Butenoicacid,2-[[(1,1-dimethylethoxy)carbonyl]amino]-4-fluoro-,[S-(Z)]- 3-Butenoicacid,2-[[(1,1-dimethylethoxy)carbonyl]amino]-4-fluoro-,[S-(Z)]-
3-Buten-2-ol,2-aminobenzoate(9CI) 3-Buten-2-ol,2-aminobenzoate(9CI)
2-Butenoicacid,4-(4-ethyl-1-piperazinyl)-4-oxo-,methylester(9CI) 2-Butenoicacid,4-(4-ethyl-1-piperazinyl)-4-oxo-,methylester(9CI)
2-Butenedioic acid (2E)-, polymer with chloroethene and ethenyl acetate 富马酸与氯乙烯和乙酸乙烯酯的聚合物
3-Buten-2-one,3-methyl-4-(2,5,6-trimethyl-3-cyclohexen-1-yl)-(4CI) 3-Buten-2-one,3-methyl-4-(2,5,6-trimethyl-3-cyclohexen-1-yl)-(4CI)
2-Buten-1-amine,3-(4-fluorophenyl)-,(Z)-(9CI) 2-Buten-1-amine,3-(4-fluorophenyl)-,(Z)-(9CI)
3-Butenamide,4,4-difluoro-N-3-pyridinyl-(9CI) 3-Butenamide,4,4-difluoro-N-3-pyridinyl-(9CI)
1-Butene, polymer with ethene and 1-propene 乙烯、丁烯、丙烯的共聚物
3-Buten-1-ol,4-(4-pyridinyl)-(9CI) 3-Buten-1-ol,4-(4-pyridinyl)-(9CI)
3-Butenoicacid,2-amino-4-cyano-2-methyl-,methylester,(E)-(9CI) 3-Butenoicacid,2-amino-4-cyano-2-methyl-,methylester,(E)-(9CI)
but-2-enedioic acid, 3-(1-methylpyrrolidin-3-yl)-2,2-diphenyl-1-pyrrol idin-1-yl-propan-1-one but-2-enedioic acid, 3-(1-methylpyrrolidin-3-yl)-2,2-diphenyl-1-pyrrol idin-1-yl-propan-1-one
2-Butenedioic acid (2E)-, didodecyl ester, polymer with ethenyl acetate 2-Butenedioic acid (2E)-, didodecyl ester, polymer with ethenyl acetate
3-Buten-2-one, 4-(methylthio)- (9CI) 3-Buten-2-one, 4-(methylthio)- (9CI)
2-Butenimidamide, 2-acetyl-3-hydroxy- (9CI) 2-Butenimidamide, 2-acetyl-3-hydroxy- (9CI)
2-Butenoic acid, 2-cyano-3-hydroxy- (9CI) (Z)-2-氰基-3-羟基丁-2-烯酸
3-Buten-2-one, 3-fluoro-4-methoxy-, (Z)- (9CI) 3-Buten-2-one, 3-fluoro-4-methoxy-, (Z)- (9CI)
3-Buten-2-one, 4-(methylthio)-, (3E)- (9CI) 3-Buten-2-one, 4-(methylthio)-, (3E)- (9CI)
3-Buten-2-one, 4-hydroxy-3-(methylthio)-, (Z)- (9CI) 3-Buten-2-one, 4-hydroxy-3-(methylthio)-, (Z)- (9CI)
2-Butenedioic acid (Z)-, bis (2-ethylhexyl) ester, polymer with ethenyl acetate 顺丁烯二酸与二(2-乙基己)酯和乙酸乙烯酯的聚合物
3-Buten-1-one, 2-chloro-1-cyclohexyl-2,3-dimethyl- (9CI) 3-Buten-1-one, 2-chloro-1-cyclohexyl-2,3-dimethyl- (9CI)
2-Butenoicacid,4-(2-ethyl-1-piperidinyl)-4-oxo-(9CI) 2-Butenoicacid,4-(2-ethyl-1-piperidinyl)-4-oxo-(9CI)
3-Buten-2-one, 4-(benzoyloxy)- 3-Buten-2-one, 4-(benzoyloxy)-
2-(3-butenylthio)ethanol 2-(3-butenylthio)ethanol
3-Buten-2-one, 4-(2-propenylamino)-, (Z)- (9CI) 3-Buten-2-one, 4-(2-propenylamino)-, (Z)- (9CI)
3-Buten-1-one, 2-chloro-1-(4-methylphenyl)- (9CI) 3-Buten-1-one, 2-chloro-1-(4-methylphenyl)- (9CI)
2-(2-buten-2-yl)-3,7-dihydro-3-formyl-3-methyl-5-phenylfuro(2,3-b)pyridin-4(2H)-one 2-(2-buten-2-yl)-3,7-dihydro-3-formyl-3-methyl-5-phenylfuro(2,3-b)pyridin-4(2H)-one
3-Buten-2-one, 4-(4H-1,2,4-triazol-4-yl)- (9CI) 3-Buten-2-one, 4-(4H-1,2,4-triazol-4-yl)- (9CI)
2-Butenedioic acid (Z)-, dibutyl ester, polymer with ethene and ethenyl acetate 2-Butenedioic acid (Z)-, dibutyl ester, polymer with ethene and ethenyl acetate
2-Butenedioic acid (Z)-, (Z)-2-[(1-oxo-9-octadecenyl)amino]ethyl ester 2-Butenedioic acid (Z)-, (Z)-2-[(1-oxo-9-octadecenyl)amino]ethyl ester
2-Butenedioic acid (Z)-, dioctyl ester, polymer with (Z)-di-2-propenyl 2-butenedioate, ethenyl acetate and 2-ethylhexyl 2-propenoate 2-Butenedioic acid (Z)-, dioctyl ester, polymer with (Z)-di-2-propenyl 2-butenedioate, ethenyl acetate and 2-ethylhexyl 2-propenoate
2-Butene-1,4-diol, polymer with 1,3-diisocyanatomethylbenzene and methyloxirane, bisulfited, Bu alc.-blocked 2-Butene-1,4-diol, polymer with 1,3-diisocyanatomethylbenzene and methyloxirane, bisulfited, Bu alc.-blocked
but-2-enedioic acid, 1-[2-[3-(1H-indol-4-yl)propyl]phenoxy]-3-(tert-bu tylamino)propan-2-ol but-2-enedioic acid, 1-[2-[3-(1H-indol-4-yl)propyl]phenoxy]-3-(tert-bu tylamino)propan-2-ol
but-2-enedioic acid, 1-[4-(3-butylamino-2-hydroxy-propoxy)-3-(propoxym ethyl)phenyl]ethanone but-2-enedioic acid, 1-[4-(3-butylamino-2-hydroxy-propoxy)-3-(propoxym ethyl)phenyl]ethanone
2-Buten-1-one,1-(4-pyridinyl)-(9CI) 2-Buten-1-one,1-(4-pyridinyl)-(9CI)
2-Buten-1-one,1-(2,2-dimethyl-6-methylenecyclohexyl)- 2-Buten-1-one,1-(2,2-dimethyl-6-methylenecyclohexyl)-
3-BUTEN NITRIDE 3-BUTEN NITRIDE
But-3-en-2-one, 4-phenylamino-3-(1-phenyl-5-tetrazolyl)- But-3-en-2-one, 4-phenylamino-3-(1-phenyl-5-tetrazolyl)-
3-BUTEN NITRILE 3-BUTEN NITRILE
but-2-enedioic acid, N,N-diethyl-2-[3-(2-furyl)-2-naphthalen-2-yl-prop oxy]ethanamine but-2-enedioic acid, N,N-diethyl-2-[3-(2-furyl)-2-naphthalen-2-yl-prop oxy]ethanamine
3-Buten-2-one, 3-methyl-4-nitro-, (3E)- (9CI) 3-Buten-2-one, 3-methyl-4-nitro-, (3E)- (9CI)
3-Buten-2-one, 4-(dimethylamino)-4-hydroxy- (9CI) 3-Buten-2-one, 4-(dimethylamino)-4-hydroxy- (9CI)
3-Buten-2-one, 3-(nitromethyl)- (9CI) 3-Buten-2-one, 3-(nitromethyl)- (9CI)
3-Buten-2-one, 3-[(acetyloxy)methyl]- (9CI) 3-Buten-2-one, 3-[(acetyloxy)methyl]- (9CI)
3-Buten-2-one, 3-hydroxy-4-methoxy- (6CI) 3-Buten-2-one, 3-hydroxy-4-methoxy- (6CI)
1-BUTENE-3,3-D2 1-BUTENE-3,3-D2
3-BUTENAMIDE 3-丁烯酰胺
(2-BUTENYL)TRIPHENYLPHOSPHONIUM CHLORIDE (2-丁烯基)三苯基氯化膦
3-Buten-2-one, 4-(ethylmethylamino)- (9CI) 3-Buten-2-one, 4-(ethylmethylamino)- (9CI)
3-Buten-2-one, 4-(3-furanyl)-, (E)- (9CI) (Z)-4-(呋喃-3-基)丁-3-烯-2-酮
BUT-3-ENYLOXY-TERT-BUTYL-DIMETHYL-SILANE (丁烷-3-烯-1-基氧基)(叔丁基)二甲基硅烷
2-BUTENEDIOICACID,DIETHYLESTER 2-BUTENEDIOICACID,DIETHYLESTER
1-BUTENE,3-CHLORO-2-METHYL- 1-BUTENE,3-CHLORO-2-METHYL-
BUT-3-ENOYL CHLORIDE BUT-3-ENOYL CHLORIDE
3-Buten-2-one, 4-(methylthio)-, (Z)- (8CI,9CI) 3-Buten-2-one, 4-(methylthio)-, (Z)- (8CI,9CI)
3-Buten-2-one, 4-(1-pyrrolidinyl)- (8CI,9CI) 3-Buten-2-one, 4-(1-pyrrolidinyl)- (8CI,9CI)
2-BUTENE-1,1,1-D3 2-丁烯-1,1,1-D3,顺式和反式的混合物
but-2-enyl 2-methylbutyrate but-2-enyl 2-methylbutyrate
1-(2-BUTENOYL)-1H-BENZOTRIAZOLE 1-(2-BUTENOYL)-1H-BENZOTRIAZOLE
2-Butenal, 3-[(2-oxopropyl)amino]-, (E)- (9CI) 2-Butenal, 3-[(2-oxopropyl)amino]-, (E)- (9CI)
but-2-enedioic acid: 3-[4-[2-[4-(3-hydroxypropoxy)phenyl]propan-2-yl]p henoxy]propan-1-ol but-2-enedioic acid: 3-[4-[2-[4-(3-hydroxypropoxy)phenyl]propan-2-yl]p henoxy]propan-1-ol
2-Butenoicacid,4-(dimethylamino)-,methylester(9CI) 2- BUTENOICACID,4-(二甲基氨基) - ,甲酯(9CI)
4-[1-(2-BUTENYL)-3-PENTENYL]-PYRIDINE 4-[1-(2-BUTENYL)-3-PENTENYL]-PYRIDINE
3-Buten-2-one,4-(1H-benzimidazol-2-yl)-,(E)-(9CI) 3-Buten-2-one,4-(1H-benzimidazol-2-yl)-,(E)-(9CI)
butenamidine butenamidine
2-Butene 2-丁烯
3-Buten-2-one, 3-nitro- (9CI) 3-Buten-2-one, 3-nitro- (9CI)
3-Butenoic acid, 2-amino-4-(methylthio)-, (S-(Z))- 3-Butenoic acid, 2-amino-4-(methylthio)-, (S-(Z))-
2-Butenedioic acid (Z)-, monomethyl ester, polymer with 1,3-dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid, hexahydro-2H-azepin-2-one and 1,1'-methylenebis[4-isocyanatobenzene] 2-Butenedioic acid (Z)-, monomethyl ester, polymer with 1,3-dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid, hexahydro-2H-azepin-2-one and 1,1'-methylenebis[4-isocyanatobenzene]
1-Butene, 4-bromo-3,3,4,4-tetrafluoro-, polymer with 1,1-difluoroethene, tetrafluoroethene and trifluoro (trifluoromethoxy) ethene 4-溴-3,3,4,4-四氟-1-丁烯与1,1-二氟乙烯、四氟乙烯和三氟(三氟甲氧基)乙烯的聚合物
2-Buten-1-amine,3-(4-fluorophenyl)-,(E)-(9CI) 2-Buten-1-amine,3-(4-fluorophenyl)-,(E)-(9CI)
3-Buten-2-one,4-[(1S,2R)-2-(2-oxopropyl)cyclopentyl]-,(3E)-(9CI) 3-Buten-2-one,4-[(1S,2R)-2-(2-oxopropyl)cyclopentyl]-,(3E)-(9CI)
2-Butenoic acid, (6-oxo-1-cyclohexen-1-yl)methyl ester 2-Butenoic acid, (6-oxo-1-cyclohexen-1-yl)methyl ester
2-Butenediamide,N-(2-ethylphenyl)-(9CI) 2-Butenediamide,N-(2-ethylphenyl)-(9CI)
but-2-enedioic acid, 2-[6-methoxy-2-(morpholin-4-ylmethyl)-1,2,3,4-tet rahydrocarbazol-9-yl]ethanol but-2-enedioic acid, 2-[6-methoxy-2-(morpholin-4-ylmethyl)-1,2,3,4-tet rahydrocarbazol-9-yl]ethanol
but-2-enedioic acid, 4-(1-butyl-5,6-dihydro-2H-pyridin-3-yl)-5-chloro- 1,3-thiazol-2-amine but-2-enedioic acid, 4-(1-butyl-5,6-dihydro-2H-pyridin-3-yl)-5-chloro- 1,3-thiazol-2-amine
4-([6-(3-BUTENOYLOXY)HEXYL]OXY)BENZENECARBOXYLIC ACID 4-([6-(3-BUTENOYLOXY)HEXYL]OXY)BENZENECARBOXYLIC ACID
1-BUTENE-3,3,4,4,4-D5 1-BUTENE-3,3,4,4,4-D5
but-2-enedioic acid, 1-[4-[2-[4-[3-(trifluoromethyl)phenyl]piperazin-1 -yl]ethyl]piperazin-1-yl]propan-1-one but-2-enedioic acid, 1-[4-[2-[4-[3-(trifluoromethyl)phenyl]piperazin-1 -yl]ethyl]piperazin-1-yl]propan-1-one
Butenolide B 白术内酯 B
2-Butenoicacid,4-[[(1,1-dimethylethoxy)carbonyl]amino]-,methylester,(2Z)- 2-Butenoicacid,4-[[(1,1-dimethylethoxy)carbonyl]amino]-,methylester,(2Z)-
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