7-Methyladenine935-69-3100 % similar 9-Methyladenine700-00-553 % similar 3-Methyladenine5142-23-449 % similar N1-Methyladenine5142-22-341 % similar 2,6-Dichloro-7-methyl-7H-purine2273-93-039 % similar 7-Methylxanthine552-62-538 % similar Paraxanthine611-59-635 % similar (αS)-6-Amino-α-methyl-9H-purine-9-ethanol14047-27-933 % similar (αR)-6-Amino-α-methyl-9H-purine-9-ethanol14047-28-033 % similar 9-(2-Hydroxyethyl)adenine707-99-333 % similar 4-Amino-5,6-dimethoxypyrimidine5018-45-132 % similar Caffeine58-08-231 % similar