N2-METHYLGUANINE

6-HYDROXY-2-METHYLAMINOPURINE

2-(MethylaMino)-7H-purin-6-ol

2-(MethylaMino)-1H-purin-6(7H)-one

2-methylamino-3,7-dihydropurin-6-one

1,7-Dihydro-2-(methylamino)-6H-purin-6-one