InChI=1/C19H22N2O/c1-2-13-11-21-8-7-18-9-14(12-22)15(13)10-19(18,21)20-17-6-4-3-5-16(17)18/h2-6,9,15,20,22H,7-8,10-12H2,1H3/b13-2-/t15-,18+,19-/m1/s1 554CD4D993A047E5