4-(hydroxyiminomethyl)benzoic acid

对苯二甲酸二甲酯

(E)-methyl 5-hydroxy-5-(4-methoxycarbonylphenyl)pent-2-enoate

methyl 2-(α-hydroxy-4-methoxycarbonylbenzyl)but-3-enoate

对氰基苯甲酸甲酯