InChI=1S/C21H24O10S/c1-29-19-11-13(3-7-15(19)22)4-8-16(23)21(25)17(24)9-5-14-6-10-18(20(12-14)30-2)31-32(26,27)28/h3,6-7,10-12,21-22,25H,4-5,8-9H2,1-2H3,(H,26,27,28)