InChI=1S/C20H33NO3/c1-14(10-11-18(21)16(3)20(22)23)12-15(2)19(24-4)13-17-8-6-5-7-9-17/h5-9,14-16,18-19H,10-13,21H2,1-4H3,(H,22,23)/t14-,15+,16+,18+,19+/m1/s1