InChI=1/C16H22N2O2/c1-13-12-16(19,14-8-4-2-5-9-14)15(18(13)20)17-10-6-3-7-11-17/h2,4-5,8-9,15,19H,3,6-7,10-12H2,1H3/p+1/t15-,16+/m1/s1/fC16H23N2O2/h17H/q+1 CEC1BE79D1844AF1