1,2,3,4,5,6,7-heptamethylcyclohepta-1,3,5-triene

乙基6-甲基-3-氧代庚酸酯

(环己基氧基)乙酸乙酯

5-苯基吡唑-3-羧酸乙酯

ethyl 3-(2,6-dichlorophenyl)prop-2-enoate