Tetraaminopyrimidine1004-74-6100 % similar 2,4,5,6-Tetraaminopyrimidine hydrochloride39944-62-288 % similar 2,4,5,6-Tetraaminopyrimidine sulfate49647-58-770 % similar 2,4,5,6-Tetraaminopyrimidine sulfate (1:1)5392-28-970 % similar 5-Nitroso-2,4,6-pyrimidinetriamine1006-23-152 % similar 2,6-Diaminopurine1904-98-938 % similar 4-Hydroxy-2,5,6-triaminopyrimidine1004-75-735 % similar 1,3,5-Triazine-2,4,6-triamine, hydrobromide (1:?)29305-12-232 % similar Triamterene396-01-031 % similar