2703-27-7 4-((4-Chlorophenyl)azo)phenol 4-(p-Chlorophenylazo)phenol 4-16-00-00160 (Beilstein Handbook Reference) AI3-09037 BRN 0958204 NSC 402592 Phenol, 4-((4-chlorophenyl)azo)- (9CI) Phenol, p-((p-chlorophenyl)azo)-