Triamterene396-01-0100 % similar 2,6-Diaminopurine1904-98-946 % similar 2,4,5-Triphenylimidazole484-47-933 % similar 2-Aminobenzimidazole934-32-732 % similar 4,5-Diphenyl-2-imidazolethiol2349-58-831 % similar Tetraaminopyrimidine1004-74-631 % similar 2,3-Diphenylquinoxaline1684-14-631 % similar 2-Amino-6-chloropurine10310-21-130 % similar