InChI=1S/C21H37NO5/c1-5-6-7-8-9-10-11-13-18(23)14-12-15-21(26)27-19(16-20(24)25)17-22(2,3)4/h6-7,9-10,18-19,23H,5,8,11-17H2,1-4H3