2-amino-7-benzyl-1,7-dihydro-6H-purin-6-one 6H-purin-6-one, 2-amino-1,7-dihydro-7-(phenylmethyl)- InChI=1/C12H11N5O/c13-12-15-10-9(11(18)16-12)17(7-14-10)6-8-4-2-1-3-5-8/h1-5,7H,6H2,(H3,13,15,16,18