InChI=1/C20H24N4O2/c1-6-25-9-15-10(2)7-11(3)16(12(15)4)18-14(8-21)19(22)26-20-17(18)13(5)23-24-20/h7,18,20H,6,9,22H2,1-5H3/t18-,20-/m1/s1 4FED392C596D00E6