InChI=1/C20H27NO3/c1-20(2,3)18(23)19(24)21-14-8-12-16(21)17(22)13-7-11-15-9-5-4-6-10-15/h4-6,9-10,16H,7-8,11-14H2,1-3H3/t16-/m0/s1 5FDBD4431B9F431F