3,4-dimethoxybenzyl 4-methoxybenzoate

4-甲氧基苯甲醛缩氨基脲

4-Methoxybenzaldehyde phenylhydrazone

对茴香醛 (4-硝基苯基)腙

4-methoxybenzoic acid 2,5-dioxo-1-pyrrolidinyl ester