丁烯酰氯

(E)-1-(2,5,5-trimethylcyclopent-1-en-1-yl)but-2-en-1-one

2,2’-二甲氧基联苯

3-(o-Anisyl)-2-propen

(1S,5R,7R)-4-((E)-But-2-enoyl)-10,10-dimethyl-3-phenyl-3,4-diaza-tricyclo[5.2.1.01,5]decan-2-one

but-2-enoic acid 1-[methoxy(diphenyl)methyl]-7,7-dimethyl-bicyclo[2.2.1]hept-2-yl ester

1-甲基-2-丙烯基氯化镁

(2S,4aS,7R,8aR)-N-crotonyl-2-(2-methylpropenyl)-4,4,7-trimethyloctahydrobenz[e][1,3]oxazine

巴豆酸酐

(E)-N-benzylbut-2-enamide

3-Crotonyl-4-trimethylsilylcyclooctene

3-(benzylamino-methylene)-hept-6-ene-2,4-dione

S-crotonyl-2-mercaptoethyl 4-methoxycinnamide

巴豆酸

N,N-diethylbut-2-enamide

1-ethyl-2-[(E)-2-butenoyl]-5-spirocyclohexane-pyrazolidin-3-one

(E)-1-((3aR,6aR)-3-tert-Butyl-4,4-dioxo-3a,4,6,6a-tetrahydro-1-oxa-4λ6-thia-2,5-diaza-pentalen-5-yl)-but-2-en-1-one

1-benzyl-2-[(E)-2-butenoyl]-5-spirocyclopentane-pyrazolidin-3-one

2,6-二甲基-2,3-二氢-4H-苯并吡喃-4-酮