2,6-Diaminopurine1904-98-9100 % similar 2-Amino-6-chloropurine10310-21-163 % similar Triamterene396-01-046 % similar 2-Aminopurine452-06-243 % similar 2-Chloroadenine1839-18-541 % similar Isoguanine3373-53-339 % similar 2-Fluoroadenine700-49-239 % similar Tetraaminopyrimidine1004-74-638 % similar Adenine73-24-536 % similar 2,4,5,6-Tetraaminopyrimidine hydrochloride39944-62-235 % similar 2,6-Dichloropurine5451-40-135 % similar 5-Nitroso-2,4,6-pyrimidinetriamine1006-23-133 % similar Adenine hydrochloride2922-28-333 % similar 2,4-Diaminopyrimidine156-81-032 % similar 2-Aminobenzimidazole934-32-731 % similar 2,4,5,6-Tetraaminopyrimidine sulfate49647-58-730 % similar 2,4,5,6-Tetraaminopyrimidine sulfate (1:1)5392-28-930 % similar N1-Methyladenine5142-22-330 % similar