InChI=1/C16H22N4O2/c1-3-5-22-14-8-11(7-13(9-14)21-4-2)6-12-10-19-16(18)20-15(12)17/h7-10H,3-6H2,1-2H3,(H4,17,18,19,20)/f/h17-18H2 AF15D466A777D4BA