2,6-Diamino-3-phenylazopyridine 2,6-Pyridinediamine, 3-(phenylazo)- 2,6-Pyridinediamine, 3-(phenylazo)- (9CI) 3-(Phenylazo)-2,6-pyridinediamine 5-22-14-00711 (Beilstein Handbook Reference) 94-78-0 BRN 0184497 Baridium EINECS 202-363-2 Eridium Fenazopiridina [INN-Spanish] Gastracid Gastrotest Geridium HSDB 3153 NSC 145895 PHENAZOPYRIDINE Phenazopyridinum [INN-Latin] Pyrazofen Pyridiate Pyridine, 2,6-diamino-3-(phenylazo)- Urogesic Viridium