InChI=1S/C21H32O5/c1-12(5-8-18(23)20(2,3)25)13-9-10-21(4)15(13)11-14-17(26-21)7-6-16(22)19(14)24/h9,12,15-16,18,22-23,25H,5-8,10-11H2,1-4H3