InChI=1S/C19H24N2O2/c1-11(2)21-10-12-8-17-15(7-13(19(22)23)9-20(17)3)14-5-4-6-16(21)18(12)14/h4-6,10-11,13,15,17H,7-9H2,1-3H3,(H,22,23)