InChI=1/C18H26N2O/c1-2-12-20(13-5-3-4-11-19)16-9-10-17-15(14-16)7-6-8-18(17)21/h6-8,16,21H,2-5,9-10,12-14H2,1H3/p+1/t16-/m0/s1/fC18H27N2O/h20H/q+1 0880FDEAD89505B6