2,2'-[(1S,2S)-1,2-diphenyl-1,2-ethanediylbis(nitrilomethylidyne)]diphenol

2-hydroxyimino-1,2-diphenylethanone

meso-1,2-bis(2-hydroxyphenyl)-1,2-ethylenediamine

水杨醛

N-(2-acetamido-1,2-diphenylethyl)benzamide