InChI=1/C19H22N2O3/c1-11-4-5-16-14(7-11)18-15(10-23-16)17(20-24-18)19(22)21-8-12(2)6-13(3)9-21/h4-5,7,12-13H,6,8-10H2,1-3H3/t12-,13-/m1/s1 0D79EC34916D55A2