methyl N-[(4-oxocyclohexa-2,5-dien-1-ylidene)methylamino]carbamate

(4-formylphenyl) 2-bromopropanoate

4-[(4-hydroxy-2-methyl-5-propan-2-ylanilino)methylidene]cyclohexa-2,5-dien-1-one

2-[4-[1-carboxy-2-(4-hydroxyphenyl)ethyl]phenyl]-3-(4-hydroxyphenyl)propanoic acid

5-[(4-羟基苯基)亚甲基]-2-硫氧代-4-噻唑啉酮