InChI=1/C18H18N4O/c19-17(20)12-4-1-11(2-5-12)3-7-15-10-14-9-13(18(21)22)6-8-16(14)23-15/h1-2,4-6,8-10H,3,7H2,(H3,19,20)(H3,21,22)/p+2/fC18H20N4O/h19-22H2/q+2 D82B83BBF430424E