InChI=1/C20H24N4O2/c1-6-25-16-7-11(4)14(8-13(16)10(2)3)18-15(9-21)19(22)26-20-17(18)12(5)23-24-20/h7-8,10,18H,6,22H2,1-5H3,(H,23,24)/t18-/m1/s1/f/h24H 44E5FC1DECF2397B