InChI=1/C20H27NO5/c1-4-6-7-13-10-17(23)26-19-14(13)8-9-16(22)15(19)11-21-18(20(24)25)12(3)5-2/h8-10,12,18,21-22H,4-7,11H2,1-3H3,(H,24,25)/t12-,18-/m1/s1/f/h21H E2D574518C58FA92