122168-72-3 1H-Indazole, 5-((4-(1-piperidinyl)phenyl)azo)- (9CI) 5-((p-Piperidinophenyl)azo)indazole 5-(4'-(N-Piperidinyl)phenylazo)indazole Indazole, 5-((p-piperidinophenyl)azo)-