InChI=1S/C21H32O8S/c1-12(2)7-8-15-18(23)17(16(22)11-14(5)6)20(29-30(26,27)28)21(25,19(15)24)10-9-13(3)4/h7,9,14,17,20,24-25H,8,10-11H2,1-6H3,(H,26,27,28)