methyl 3-(dibutylcarbamothioylsulfanyl)propanoate

methyl 5-phenylpent-4-enoate

(E)-2-methyl-4-phenyl-3-butenoic acid methyl ester

methyl 5-phenyl-trans-3-pentenoate

5-甲基-4-氧代四氢呋喃-3-羧酸甲酯