158555-33-0 4H-1-Benzopyran-4-one, 5,7-diamino-2-(4-aminophenyl)-6-hydroxy-, trihydrochloride 5,7-Diamino-2-(4-aminophenyl)-6-hydroxy-4H-1-benzopyran-4-one trihydrochloride 6-Hydroxy-4',5,7-triaminoflavone