日韩在线99,国产九色91

2-phenylethyl ester, (E)-2-Butenoic acid;
phenethyl ester, (E)-2-Butenoic acid;
2-Phenylethyl trans- 2-butenoate;
2-phenylethyl ester, (e)-2-butenoic aci

C12H14O2

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142154-46-9

19-Norpregn-4-en-20-yne-3,17-diol,3-acetate 17-[(2Z)-3-(acetyloxy)-2-butenoate], (3b,17a)- (9CI);
19-Norpregn-4-en-20-yne-3,17-diol,3-acetate 17-[3-(acetyloxy)-2-butenoate], [3b,17a,17(Z)]-

17-Norkaur-15-ene-14,18-diol,13-methyl-, 14-[(2E)-2-methyl-2-butenoate], (4a,8b,13b,14S)- (9CI);
17-Norkaur-15-ene-14,18-diol,13-methyl-, 14-(2-methyl-2-butenoate), [4a,8b,13b,14S(E)]-;
1H-2,10a-Ethenophenanthrene, 17-norkaur-15-ene-14,18-diol deriv.;
(+)-Elasclepiol;
Elasclepiol

反式-4-氧基-2-丁烯酸乙酯;
反式-4-氧基-2-丁烯酸乙酯,96%

2-Butenoic acid,4-oxo-, ethyl ester, (2E)-;
2-Butenoicacid, 4-oxo-, ethyl ester, (E)-;
Fumaraldehydic acid, ethyl ester(6CI,7CI,8CI);
(2E)-4-Oxobut-2-enoic acid ethyl ester;
(E)-4-Oxo-2-butenoicacid ethyl ester;
(E)-Ethyl 4-oxo-2-butenoate;
Ethyl (2E)-4-oxobut-2-enoate;
Ethyl (E)-3-formylacrylate;
Ethyl fumaraldehydate;
Ethyltrans-4-oxo-2-butenoate;
Ethyl trans-4-oxo-2-butenoate;
Ethyltrans-4-oxobutenoate

巴豆酸叔丁酯

2-Butenoic acid,1,1-dimethylethyl ester, (2E)-;
2-Butenoicacid, 1,1-dimethylethyl ester, (E)-;
(2E)-2-Butenoic acid 1,1-dimethylethylester;
(E)-1,1-Dimethylethyl 2-butenoate;
(E)-2-Butenoic acid 1,1-dimethylethylester;
tert-Butyl (E)-crotonate;
trans-tert-Butyl crotonate

2-Butenoic acid,3-methyl-, 1,2-ethanediyl ester (9CI);
1,2-ethanediyl 3-methyl-2-butenoate

2-Butenoicacid, 2-methyl-, 3,7-dimethyl-6-octenyl ester, [S-(E)]- (9CI);
[S-(E)]-3,7-dimethyl-6-octenyl 2-methyl-2-butenoate

2-Butenoic acid,4-oxo-4-[[2-(2-oxo-1-imidazolidinyl)ethyl]amino]-, 2-hydroxypropyl ester;
2-hydroxypropyl 4-oxo-4-[[2-(2-oxoimidazolidin-1-yl)ethyl]amino]-2-butenoate

2-Butenoic acid,3-methyl-, 1,1-dimethyl-2-phenylethyl ester;
1,1-dimethyl-2-phenylethyl 3-methyl-2-butenoate

2-Butenoic acid,3-methyl-, 3,7-dimethyl-6-octenyl ester, (S)- (9CI);
(S)-3,7-dimethyl-6-octenyl 3-methyl-2-butenoate

2-Butenoic acid,2-phenylpropyl ester;
2-phenylpropyl 2-butenoate

2-Butenoic acid,3-methyl-, 2-methylbutyl ester;
2-methylbutyl 3-methylbutenoate

2-Butenoic acid,2-ethyl-, 2-phenylethyl ester;
2-phenylethyl 2-ethyl-2-butenoate

2-Butenoic acid,4-oxo-4-phenyl-, ethyl ester, (2E)-;
2-Butenoicacid, 4-oxo-4-phenyl-, ethyl ester, (E)-;
Acrylic acid, 3-benzoyl-, ethylester, (E)- (8CI);
(2E)-4-Oxo-4-phenyl-2-butenoic acid ethyl ester;
(E)-Ethyl4-oxo-4-phenyl-2-butenoate;
Ethyl trans-benzoylacrylate;
Ethyl trans-b-benzoylacrylate;
Ethyl b-benzoylacrylate

2-Heptenoicacid, ethyl ester, (2E)-;
2-Heptenoicacid, ethyl ester, (E)-;
(E)-Ethyl 2-heptenoate;
Ethyl (E)-2-heptenoate;
Ethyl(E)-2-heptenoate

2-Butenoic acid,3-methyl-, 2-ethylhexyl ester;
2-ethylhexyl 3-methyl-2-butenoate

3-Butenoic acid,1,1'-[2-ethyl-2-[[(1-oxo-3-buten-1-yl)oxy]methyl]-1,3-propanediyl] ester;
3-Butenoicacid, 2-ethyl-2-[[(1-oxo-3-butenyl)oxy]methyl]-1,3-propanediyl ester (9CI);
3-Butenoic acid, triester with 2-ethyl-2-(hydroxymethyl)-1,3-propanediol (8CI);
1,3-Propanediol, 2-ethyl-2-(hydroxymethyl)-, tri-3-butenoate (8CI)

4-Pentenoic acid,1,1-dimethylethyl ester;
4-Pentenoicacid, tert-butyl ester (6CI,8CI);
1,1-Dimethylethyl 4-pentenoate;
NSC 219875;
tert-Butyl 4-pentenoate

C9H16O2

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