InChI=1/C19H22N4O3/c1-4-6-13-17-16(12(10-20)18(21)26-19(17)23-22-13)11-7-8-14(24-3)15(9-11)25-5-2/h7-9,16,19H,4-6,21H2,1-3H3/t16-,19-/m0/s1 9AD218EFB84FB484