香草酸

(11aS)-7-甲氧基-8-羟基-2,3,5,11ab-四氢-1H-吡咯并[2,1-c][1,4]苯并二氮杂卓-5-酮

2-benzamido-4-hydroxy-5-methoxybenzoic acid

4-苄氧基-5-甲氧基-2-硝基苯甲酸甲酯

5-methoxy-2-nitro-4-phenylmethoxybenzoyl chloride