benzoic acid,2-ethenylbenzene-1,4-diol

phenyl(pyrazolo[1,5-a]pyridin-3-yl)methanone

(1-aminoethylideneamino) benzoate

phenyl-(2-sulfanylphenyl)methanone

3,5-二苯基-1,3,4-恶二唑-2(3H)-酮