4-[[hydroxymethyl(methyl)amino]diazenyl]benzonitrile

(E)-3-(4-Cyano-phenylamino)-3-hydroxy-propen-1-ol anion

对硝基苯甲酸

4-[(4-hydroxyphenyl)azo]benzonitrile

N-(4-Cyano-phenyl)-2,2-diphenyl-acetamide