2,6-Diaminopurine, a precursor of nucleic acid guanine.
D015075:2-Aminopurine / Q000031:analogs & derivatives; D006147:Guanine; D009696:Nucleic Acids
D009696:Nucleic Acids; D015075:2-Aminopurine; C007300:2,6-diaminopurine; D006147:Guanine