InChI=1/C16H22N4O2/c1-4-5-11-6-10(8-13(21-2)14(11)22-3)7-12-9-19-16(18)20-15(12)17/h6,8-9H,4-5,7H2,1-3H3,(H4,17,18,19,20)/f/h17-18H2 BABB64D56AF287D2