1,7-Dihydro-2-((4-butylphenyl)amino)-6-purin-6-one 6H-Purin-6-one, 1,7-dihydro-2-((4-butylphenyl)amino)- 83173-14-2 BRN 5443536 N(sup 2)-(p-Butylphenyl)guanine