InChI=1S/C21H32O5/c1-13(2)17-7-5-14(3)9-19(17)24-11-16-12-25-21(26-16)15-6-8-18(22)20(10-15)23-4/h6,8,10,13-14,16-17,19,21-22H,5,7,9,11-12H2,1-4H3