2-hydroxy-N'-[(Z)-(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]-2,2-diphenylacetohydrazide

2-formylphenyl 2-(3-benzoylphenyl)propanoate

o-hydroxybenzylidene-4-benzidine

1-amino-1-(2-hydroxyphenyl)methylphosphonic acid

甲基甲酰苯胺