InChI=1S/C22H36O4/c1-8-14(2)10-11-16-21(6)13-9-12-20(4,5)18(21)17(24)19(22(16,7)25)26-15(3)23/h8,10,16-19,24-25H,1,9,11-13H2,2-7H3/b14-10-