InChI=1S/C20H28O7S/c1-17(2)12-5-6-20-8-7-18(3,16(20)23)14(22)9-13(20)19(12,4)10-11(21)15(17)27-28(24,25)26/h7-8,12-13,15-16,23H,5-6,9-10H2,1-4H3,(H,24,25,26)