InChI=1/C16H22N2O/c1-6-9-17-16(19)14(5)18-13(4)15-10-11(2)7-8-12(15)3/h1,7-8,10,13-14,18H,9H2,2-5H3,(H,17,19)/t13-,14+/m0/s1/f/h17H 321B629E49DDC17E