TriaMterene Related CoMpound C;2,4-Diamino-6-phenyl-7(1H)-pteridinone;2,4-Diamino-6-phenyl-7-pteridinol;2,4-Diamino-7-hydroxy-6-phenylpteridine;NSC 33416;Triamterene Inpurity C;Triamterine Impurity C;Triamterene Related Compound C (50 mg) (2,4-diamino-7-hydroxy-6-phenylpteridine)