InChI=1S/C22H28O11S/c1-29-15-7-12(8-16(30-2)20(15)24)18-14(10-33-34(26,27)28)13(9-23)5-11-6-17(31-3)21(25)22(32-4)19(11)18/h6-8,13-14,18,23-25H,5,9-10H2,1-4H3,(H,26,27,28)