2-(羟甲基)丙烯酸甲酯

methyl 2-(2-methoxycarbonylprop-2-enoxymethyl)prop-2-enoate

ethyl 4-(2-ethoxycarbonylcyclopentyl)-4-methylpentanecarboxylate

ethyl 7-methyloct-6-enoate

ethyl 3-[4-(trifluoromethyl)phenyl]prop-2-enoate