InChI=1/C18H20N4O2/c19-11-13-4-6-16(22-8-2-1-3-9-22)15(10-13)21-18(23)17-7-5-14(12-20)24-17/h4-7,10H,1-3,8-9,11,19H2,(H,21,23)/p+1/fC18H21N4O2/h19,21H/q+1 39AF9BBF5CDFF969