InChI=1/C19H22N4O2/c1-4-5-15-17-16(12-6-8-13(9-7-12)24-11(2)3)14(10-20)18(21)25-19(17)23-22-15/h6-9,11,16H,4-5,21H2,1-3H3,(H,22,23)/t16-/m0/s1/f/h23H EC33EA835CC0ED69