InChI=1/C19H27NO4/c1-3-4-9-15-24-19-16(11-10-14-20-19)17(21)12-7-5-6-8-13-18(22)23-2/h10-11,14,17,21H,3-4,6,8-9,12-13,15H2,1-2H3/t17-/m1/s1 71DB36BAF3730B24