2-Amino-6-chloropurine10310-21-1100 % similar 2,6-Diaminopurine1904-98-963 % similar 2-Aminopurine452-06-243 % similar 2,6-Dichloropurine5451-40-143 % similar 2-Chloroadenine1839-18-541 % similar 6-Chloropurine87-42-336 % similar 2,4-Diamino-6-chloropyrimidine156-83-235 % similar Isoguanine3373-53-333 % similar 2-Fluoroadenine700-49-233 % similar 2-Amino-5-chlorobenzimidazole5418-93-932 % similar 2,4-Diaminopyrimidine156-81-032 % similar 2-Aminobenzimidazole934-32-731 % similar Irsogladine57381-26-731 % similar 6-Chloro-1,3,5-triazine-2,4-diamine3397-62-431 % similar Triamterene396-01-030 % similar