InChI=1/C16H22N2O/c17-16(19)15(14-9-5-2-6-10-14)18-12-11-13-7-3-1-4-8-13/h2,5-7,9-10,15,18H,1,3-4,8,11-12H2,(H2,17,19)/t15-/m1/s1/f/h17H2 9422A311AED78E47