1,3-Benzenediol, 4-(2-pyridinylazo)- 1-(2-Pyridylazo)resorcinol 1141-59-9 4-(2-Pyridlyazo)resorcinol 4-(2-Pyridylazo)-2-resorcinol 4-(2-Pyridylazo)resorcinol NSC148355 PAR Resorcinol, 4-(2-pyridylazo)-