Thioguanine154-42-7100 % similar Guanine73-40-560 % similar 6-O-Methylguanine20535-83-555 % similar Guanine hydrochloride635-39-255 % similar Guanine sulfate10333-92-349 % similar O6-Benzylguanine19916-73-547 % similar 3,9-Dihydro-1H-purine-2,6-dithione5437-25-243 % similar 6-Thioxanthine2002-59-741 % similar Lomeguatrib192441-08-040 % similar 1,3,5-Triazine-2,4-diamine504-08-538 % similar 6-Mercaptopurine50-44-238 % similar 8-Mercaptoguanine28128-40-737 % similar 2,6-Diamino-4(3H)-pyrimidinethione56-08-636 % similar 6-Mercaptopurine monohydrate6112-76-135 % similar 1,3,5-Triazin-2-amine4122-04-734 % similar Thioguanosine85-31-434 % similar 8-Azaguanine134-58-731 % similar Pterin2236-60-431 % similar 2-Thioxanthine2487-40-331 % similar 2,4-Diamino-6-hydroxypyrimidine56-06-430 % similar