InChI=1S/C14H24O7S3/c1-3-8(24-23-6-4-5-22-2)7-20-14-11(17)9(15)10(16)12(21-14)13(18)19/h4-5,8-12,14-17H,3,6-7H2,1-2H3,(H,18,19)/b5-4+