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2-Butenedioic acid (E)-, di-C12-14-alkyl esters, polymers with Et vinyl ether and vinyl acetate
2-Butenedioic acid (E)-, di-C12-14-alkyl esters, polymers with Et vinyl ether and vinyl acetate
2-Butenedioic acid (E)-, polymer with 1,3-butadiene and ethenylbenzene, sodium salt
2-Butenedioic acid (E)-, polymer with 1,3-butadiene and ethenylbenzene, sodium salt
2-Butenedioic acid (Z)-, polymer with N-(butoxymethyl)-2-propenamide, ethenylbenzene, ethyl 2-propenoate, 2-hydroxyethyl 2-methyl-2-propenoate and 2-methyl-2-propenoic acid
2-Butenedioic acid (Z)-, polymer with N-(butoxymethyl)-2-propenamide, ethenylbenzene, ethyl 2-propenoate, 2-hydroxyethyl 2-methyl-2-propenoate and 2-methyl-2-propenoic acid
3-[4-(but-3-en-1-yloxy)phenyl]prop-2-enoic acid
3-[4-(but-3-en-1-yloxy)phenyl]prop-2-enoic acid
2-(but-2-en-1-yloxy)benzaldehyde
2-(but-2-en-1-yloxy)benzaldehyde
2-Butenethioamide, 2-cyano-3-mercapto-
2-Butenethioamide, 2-cyano-3-mercapto-
2-Butenenitrile, 3-(4-morpholinyl)-
2-Butenenitrile, 3-(4-morpholinyl)-
3-Butenamide, 3-amino-4,4-dicyano-
3-Butenamide, 3-amino-4,4-dicyano-
3-Buten-2-one, 3-amino-4-(methylsulfonyl)-
3-Buten-2-one, 3-amino-4-(methylsulfonyl)-
1-Buten-2-amine, 1-(5,6-dihydro-4H-1,3-oxazin-2-yl)-
1-Buten-2-amine, 1-(5,6-dihydro-4H-1,3-oxazin-2-yl)-
3-Butenoic acid, 2-[(ethoxycarbonyl)amino]-, methyl ester
3-Butenoic acid, 2-[(ethoxycarbonyl)amino]-, methyl ester
2-Butenoic acid, 2-(acetylamino)-3-hydroxy-, ethyl ester
2-Butenoic acid, 2-(acetylamino)-3-hydroxy-, ethyl ester
2-Butene-1,4-dione, 2-bromo-3-hydroxy- (4CI)
2-Butene-1,4-dione, 2-bromo-3-hydroxy- (4CI)
3-Buten-2-one, 3-ethoxy-1,1,1-trifluoro-
3-Buten-2-one, 3-ethoxy-1,1,1-trifluoro-
3-Butenoic acid, 3,4-dichloro-2-hydroxy-
3-Butenoic acid, 3,4-dichloro-2-hydroxy-
3-Buten-2-one, 1,1,1-trifluoro-4-(methylthio)-
3-Buten-2-one, 1,1,1-trifluoro-4-(methylthio)-
2-Butenoic acid, 3-chloro-2-hydroxy-4-oxo-
2-Butenoic acid, 3-chloro-2-hydroxy-4-oxo-
1-Buten-2-ol, 1-bromo-3-methyl-
1-Buten-2-ol, 1-bromo-3-methyl-
3-Butenoic acid, 2-(acetylamino)-2-methyl-, ethyl ester
3-Butenoic acid, 2-(acetylamino)-2-methyl-, ethyl ester
2-Butenoic acid, 4,4,4-trifluoro-3-hydroxy-, methyl ester
2-Butenoic acid, 4,4,4-trifluoro-3-hydroxy-, methyl ester
3-Buten-2-one, 3-(4-morpholinyl)-
3-Buten-2-one, 3-(4-morpholinyl)-
3-Butenethioamide, N-butyl-N-methyl-
3-Butenethioamide, N-butyl-N-methyl-
2-Buten-1-one, 2-amino-1-phenyl-
2-Buten-1-one, 2-amino-1-phenyl-
2-Butenamide, N-(2,2-dimethyl-1-oxopropyl)-2-methyl-, (2E)-
2-Butenamide, N-(2,2-dimethyl-1-oxopropyl)-2-methyl-, (2E)-
3-Butenoic acid, 3-amino-2-(1-methylethyl)-, methyl ester
3-Butenoic acid, 3-amino-2-(1-methylethyl)-, methyl ester
3-Butenamide, 2-phenyl- (6CI)
3-Butenamide, 2-phenyl- (6CI)
3-Buten-2-one, 1,1,1-trifluoro-4-methoxy-3-methyl-
3-Buten-2-one, 1,1,1-trifluoro-4-methoxy-3-methyl-
[2-(but-3-en-1-yloxy)-5-nitrophenyl]methanol
[2-(but-3-en-1-yloxy)-5-nitrophenyl]methanol
1-(but-2-en-1-yl)-5-chloro-2,3-dihydro-1H-indole-2,3-dione
1-(but-2-en-1-yl)-5-chloro-2,3-dihydro-1H-indole-2,3-dione
[3-(but-2-en-1-yloxy)phenyl]methanol
[3-(but-2-en-1-yloxy)phenyl]methanol
2-Butenedioic acid, 2,3-bis[(trimethylsilyl)oxy]-, bis(trimethylsilyl) ester, (Z)-
2-Butenedioic acid, 2,3-bis[(trimethylsilyl)oxy]-, bis(trimethylsilyl) ester, (Z)-
2-Butenenitrile,2-(diethylamino)-,(2Z)-(9CI)
2-Butenenitrile,2-(diethylamino)-,(2Z)-(9CI)
2-Butenedioic acid (2Z)-, polymer with (2Z)-4-amino-4-oxo-2-butenoic acid and ethenylbenzene, ammonium salt
顺2-丁烯二酸
2-Butenedioic acid (Z)-, dibutyl ester, polymer with 2-methylpropyl2-methyl-2-propenoate
(Z)-2-丁烯二羧酸二丁基酯与2-甲基-2-丙烯酸-2-甲基丙酯的聚合物
2-Butenal,3-(3-pyridinyl)-(9CI)
2-Butenal,3-(3-pyridinyl)-(9CI)
3-Buten-2-ol,2-methyl-,phenylcarbamate(9CI)
3-Buten-2-ol,2-methyl-,phenylcarbamate(9CI)
3-Buten-2-one, 3-methyl-4-[(1-methylethyl)amino]-, (E)- (9CI)
3-Buten-2-one, 3-methyl-4-[(1-methylethyl)amino]-, (E)- (9CI)
3-Buten-2-one, 4-hydroxy-4-methoxy-, (3E)- (9CI)
3-Buten-2-one, 4-hydroxy-4-methoxy-, (3E)- (9CI)
Fumaryl chloride
反丁烯二酰氯
4-Phenyl-1-butene
4-苯基-1-丁烯
2-butenyl 4-[4-(benzyloxy)-3-methoxyphenyl]-6-methyl-2-oxo-1,2,3,4-tetrahydro-5-pyrimidinecarboxylate
2-butenyl 4-[4-(benzyloxy)-3-methoxyphenyl]-6-methyl-2-oxo-1,2,3,4-tetrahydro-5-pyrimidinecarboxylate
1-(2-butenoyl)-6-methoxy-2,2,4-trimethyl-1,2-dihydroquinoline
1-(2-butenoyl)-6-methoxy-2,2,4-trimethyl-1,2-dihydroquinoline
3-Butenamide, N-(6-amino-1,2,3,4-tetrahydro-1,3-dimethyl-2,4-dioxo-5-pyrimidinyl)-
3-Butenamide, N-(6-amino-1,2,3,4-tetrahydro-1,3-dimethyl-2,4-dioxo-5-pyrimidinyl)-
2-Butenoic acid, 3-amino-2-ethyl-, ethyl ester
2-Butenoic acid, 3-amino-2-ethyl-, ethyl ester
3-Buten-2-one, 4-ethoxy-1,1-difluoro-
3-Buten-2-one, 4-ethoxy-1,1-difluoro-
2-Buten-2-ol, 3-bromo-
2-Buten-2-ol, 3-bromo-
2-Butenoic acid, 2-(1-hydrazonoethyl)-, hydrazide (9CI)
2-Butenoic acid, 2-(1-hydrazonoethyl)-, hydrazide (9CI)
3-Butenoic acid, 2-[(ethoxycarbonyl)amino]-
3-Butenoic acid, 2-[(ethoxycarbonyl)amino]-
3-Butenoic acid, 2-[(ethoxycarbonyl)amino]-3-methyl-
3-Butenoic acid, 2-[(ethoxycarbonyl)amino]-3-methyl-
2-Butenoic acid, 2,4-difluoro-3-hydroxy-, ethyl ester
2-Butenoic acid, 2,4-difluoro-3-hydroxy-, ethyl ester
3-Butenamide, N,N-diethylthio- (8CI)
3-Butenamide, N,N-diethylthio- (8CI)
3-Butenamide, N,N-diethyl-3-methylthio- (8CI)
3-Butenamide, N,N-diethyl-3-methylthio- (8CI)
3-Butenoic acid, 3-chloro-2-hydroxy-, ethyl ester
3-Butenoic acid, 3-chloro-2-hydroxy-, ethyl ester
3-Buten-2-one, 1-chloro-3,4,4-trifluoro-
3-Buten-2-one, 1-chloro-3,4,4-trifluoro-
2-Buten-1-one, 2-methyl-1-(3-methyl-2-oxiranyl)-
2-Buten-1-one, 2-methyl-1-(3-methyl-2-oxiranyl)-
3-Buten-1-one, 1-(2-thiazolyl)-
3-Buten-1-one, 1-(2-thiazolyl)-
2-Butenoic acid, 3-amino-4-methoxy-, ethyl ester
2-Butenoic acid, 3-amino-4-methoxy-, ethyl ester
1-Buten-1-amine, 3-imino-2-phenyl-
1-Buten-1-amine, 3-imino-2-phenyl-
2-Butenamide, N-(4,5-dihydro-1H-imidazol-2-yl)-3-methyl-
2-Butenamide, N-(4,5-dihydro-1H-imidazol-2-yl)-3-methyl-
3-Buten-2-one, 3-chloro-4-(1-methylethoxy)-
3-Buten-2-one, 3-chloro-4-(1-methylethoxy)-
3-Buten-2-one, 1-fluoro-4-phenyl-
3-Buten-2-one, 1-fluoro-4-phenyl-
2-Butenoic acid, 4-(1H-indol-6-ylamino)-4-oxo-
2-Butenoic acid, 4-(1H-indol-6-ylamino)-4-oxo-
2-Butenoic acid, 3-[(ethoxycarbonyl)amino]-, methyl ester
2-Butenoic acid, 3-[(ethoxycarbonyl)amino]-, methyl ester
3-Butenenitrile, 3-bromo-2-oxo-
3-Butenenitrile, 3-bromo-2-oxo-
3-Buten-2-one, 1-(1H-imidazol-2-yl)-
3-Buten-2-one, 1-(1H-imidazol-2-yl)-
3-Buten-2-one, 4-amino-3-bromo-
3-Buten-2-one, 4-amino-3-bromo-
2-Butenoic acid, 3-amino-2-(1-methylethyl)-, methyl ester
2-Butenoic acid, 3-amino-2-(1-methylethyl)-, methyl ester
3-Buten-2-ol, 3-amino-4-phenyl-
3-Buten-2-ol, 3-amino-4-phenyl-
3-Buten-2-one,4-(2-methyl-1H-benzimidazol-1-yl)-,(3E)-(9CI)
3-Buten-2-one,4-(2-methyl-1H-benzimidazol-1-yl)-,(3E)-(9CI)
2-Butenoicacid,2-hydroxy-4-oxo-4-(2-thienyl)-(9CI)
2-Butenoicacid,2-hydroxy-4-oxo-4-(2-thienyl)-(9CI)
3-Buten-2-one, 4-(3-fluoro-2-hydroxyphenyl)-
3-Buten-2-one, 4-(3-fluoro-2-hydroxyphenyl)-
3-Buten-1-one, 1-(3-methyloxiranyl)- (9CI)
3-Buten-1-one, 1-(3-methyloxiranyl)- (9CI)
2-Butenethioamide, N,N-diethyl-3-methyl-
2-Butenethioamide, N,N-diethyl-3-methyl-
2-Butenylamine, N,N,2-trimethyl-1-propyl- (7CI)
2-Butenylamine, N,N,2-trimethyl-1-propyl- (7CI)
3-Buten-2-one, 1-bromo-3-methyl-
1-溴-3-甲基-3-丁烯-2-酮
3-(3-butenyl)-2,4,4-trimethylcyclohex-2-en-1-one
3-(3-butenyl)-2,4,4-trimethylcyclohex-2-en-1-one
2-Butenoicacid,4-(3-methyl-1-piperidinyl)-4-oxo-(9CI)
2-Butenoicacid,4-(3-methyl-1-piperidinyl)-4-oxo-(9CI)
2-Butenenitrile,3-(4-fluorophenyl)-,(Z)-(9CI)
2-Butenenitrile,3-(4-fluorophenyl)-,(Z)-(9CI)
2-[1-(but-2-en-1-yl)-1H-indol-3-yl]acetic acid
2-[1-(but-2-en-1-yl)-1H-indol-3-yl]acetic acid
Crotonic anhydride
巴豆酸酐
Dioctyl maleate
马来酸二辛酯
Fumaric acid
富马酸
Crotonic acid
2-丁烯酸
Dinocap
消螨普
2-Butene-1,4-diol
1,4-丁烯二醇
3-Buten-2-one, 1-(2-methyl-1,3-dioxolan-2-yl)-
3-Buten-2-one, 1-(2-methyl-1,3-dioxolan-2-yl)-
3-Buten-2-one, 4-(ethylamino)-1,1,1-trifluoro-
3-Buten-2-one, 4-(ethylamino)-1,1,1-trifluoro-
2-Butenoic acid, 2-(acetylamino)-4-methoxy-, methyl ester
2-Butenoic acid, 2-(acetylamino)-4-methoxy-, methyl ester
3-Butenenitrile
烯丙基腈
2-Butene-1,4-diol
顺式-1,2-二羟甲基乙烯
2-butenal (4-{4-nitrophenyl}-1,3-thiazol-2-yl)hydrazone
2-butenal (4-{4-nitrophenyl}-1,3-thiazol-2-yl)hydrazone
3-Butenoic acid, 2-amino-3-(methoxymethyl)-, methyl ester
3-Butenoic acid, 2-amino-3-(methoxymethyl)-, methyl ester
2-Butenoic acid, 4,4,4-trifluoro-3-hydroxy-
2-Butenoic acid, 4,4,4-trifluoro-3-hydroxy-
2-Butenoic acid, 3-[(2-methyl-1-oxopropyl)amino]-, methyl ester
2-Butenoic acid, 3-[(2-methyl-1-oxopropyl)amino]-, methyl ester
2-Butenoic acid, 2-chloro-3-hydroxy-, ethyl ester
2-Butenoic acid, 2-chloro-3-hydroxy-, ethyl ester
3-Butenal, 3,4-dichloro-2-oxo-
3-Butenal, 3,4-dichloro-2-oxo-
2-Butenoic acid, 4-chloro-3-hydroxy-, methyl ester, radical ion(1+), (2Z)-
2-Butenoic acid, 4-chloro-3-hydroxy-, methyl ester, radical ion(1+), (2Z)-
2-Buten-1-one, 1-(2,4-dichlorophenyl)-2-(1H-imidazol-1-yl)-
2-Buten-1-one, 1-(2,4-dichlorophenyl)-2-(1H-imidazol-1-yl)-
2-Butenamide, 2-cyano-4-cyclopropyl-
2-Butenamide, 2-cyano-4-cyclopropyl-
2-Butenedinitrile, 2-amino-3-[(1-cyanoethyl)amino]-
2-Butenedinitrile, 2-amino-3-[(1-cyanoethyl)amino]-
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