Standard InChI: InChI=1S/C27H34N4O2/c1-3-5-9-20(4-2)17-31-19-28-25-26(31)29-24(30-27(25)32)16-21-12-14-23(15-13-21)33-18-22-10-7-6-8-11-22/h6-8,10-15,19-20,25-26H,3-5,9,16-18H2,1-2H3,(H,29,30,32)
1.Huang XF, Cao YJ, Zhen J, Zhang DW, Kong R, Jiang WT, Xu Y, Song GQ, Ke HM, Liu L.. (2019) Design, synthesis of novel purin-6-one derivatives as phosphodiesterase 2 (PDE2) inhibitors: The neuroprotective and anxiolytic-like effects., 29 (3):[PMID:30554955][10.1016/j.bmcl.2018.12.018]