InChI=1S/C21H24O8S/c1-27-20-12-13-5-3-4-6-18(23)19(29-30(24,25)26)11-14-7-8-17(22)15(9-14)16(10-13)21(20)28-2/h7-10,12,19,22H,3-6,11H2,1-2H3,(H,24,25,26)