2-hydroxy-N-[2-[(2-hydroxybenzoyl)amino]ethyl]benzamide

N,N'-(azanediylbis(ethane-2,1-diyl))bis(2-hydroxybenzamide)

2-(4-chlorophenyl)-3-nitro-2H-chromene

2-苯基-3-硝基-2H-1-苯并吡喃

2-hydroxy-ο-formylacetophenone