1476-48-8 4-(2,4,7-Triaminopteridin-6-yl)phenol hydrogen sulfate (ester) 94505-25-6 Hydroxytriamterene sulfate Phenol, 4-(2,4,7-triaminopteridin-6-yl)-, hydrogen sulfate (ester) Sulfuric acid, 4-(2,4,7-triamino-6-pteridinyl)phenyl ester