6-Mercaptopurine monohydrate6112-76-1100 % similar 6-Mercaptopurine50-44-288 % similar 3,9-Dihydro-1H-purine-2,6-dithione5437-25-250 % similar Hypoxanthine68-94-048 % similar 6-Thioxanthine2002-59-747 % similar 6-Hydrazinyl-9H-purine5404-86-446 % similar 6-Methoxy-9H-purine1074-89-144 % similar 6-Methylmercaptopurine50-66-844 % similar 6-Dmap938-55-644 % similar 2-Thioxanthine2487-40-336 % similar Thioguanine154-42-735 % similar Purine120-73-034 % similar 1,3-Dimethylxanthine monohydrate5967-84-032 % similar Xanthine69-89-631 % similar