InChI=1/C17H21NO2/c1-3-15(12-5-7-13(19)8-6-12)16(4-2)17-10-9-14(20)11-18-17/h5-11,15-16,19-20H,3-4H2,1-2H3/t15-,16+/m1/s1 8184F42EB7DB59C7