InChI=1S/C15H22O7S/c1-8-11(16)4-3-10-5-12-13(14(17)15(8,10)2)9(6-21-12)7-22-23(18,19)20/h6,8,10-11,14,16-17H,3-5,7H2,1-2H3,(H,18,19,20)