InChI=1/C15H22N4O3/c1-19-8-9(7-12(19)15(21)22-2)16-14(20)13-10-5-3-4-6-11(10)17-18-13/h9,12H,3-8H2,1-2H3,(H,16,20)(H,17,18)/t9-,12+/m1/s1/f/h16,18H F1ACD9CE40CD8252