InChI=1/C14H20N4O/c1-4-5-12-17-10-8-9(15)6-7-11(10)18(12)14(2,3)13(16)19/h6-8H,4-5,15H2,1-3H3,(H2,16,19)/f/h16H2 E723B122EFC2A497