InChI=1/C19H23N3O/c1-18-9-21-11-19(2,17(18)23)12-22(10-18)16(21)14-8-20(3)15-7-5-4-6-13(14)15/h4-8,16H,9-12H2,1-3H3 9E7CF25CAFE20FC8