InChI=1/C18H19N5O3/c24-8-18(9-25)6-13(7-18)23-11-21-14-15(19-10-20-16(14)23)22-17(26)12-4-2-1-3-5-12/h1-5,10-11,13,24-25H,6-9H2,(H,19,20,22,26 N-{9-[3,3-bis(hydroxymethyl)cyclobutyl]-9H-purin-6-yl}benzamide benzamide, N-[9-[3,3-bis(hydroxymethyl)cyclobutyl]-9H-purin-6-yl]-