InChI=1/C17H22N4O2/c1-16(2)9-11(17(3,4)21(16)23-5)15-19-12-8-6-7-10(14(18)22)13(12)20-15/h6-9H,1-5H3,(H2,18,22)(H,19,20)/f/h19H,18H2 CF5AAE4FB46D7ABA