InChI=1S/C22H38O6/c1-15(25)27-14-19(2)8-5-9-20(3)16(19)6-10-21(4)17(20)7-11-22(13-24,28-21)18(26)12-23/h16-18,23-24,26H,5-14H2,1-4H3