ethyl (E)-3-(4-nitrophenyl)but-2-enoate

methyl 4-(3-ethoxy-3-oxoprop-1-enyl)benzoate

4-(2-乙氧基-2-氧代亚乙基)哌啶-1-羧酸苄酯

3-[3,5-bis(trifluoromethyl)phenyl]prop-2-en-1-ol

ethyl 4,4-dimethyl-5-phenylhexa-2,5-dienoate