InChI=1/C16H22N2O2/c1-16(2)11-17-13-9-12(5-6-15(13)20-16)14(19)10-18-7-3-4-8-18/h5-6,9,17H,3-4,7-8,10-11H2,1-2H3/p+1/fC16H23N2O2/h18H/q+1 926A91BE703571DE