InChI=1S/C14H27NO9S3/c1-25-7-5-3-2-4-6-10(15-24-27(20,21)22)26-14-13(19)12(18)11(17)9(8-16)23-14/h9,11-14,16-19H,2-8H2,1H3,(H,20,21,22)/p-1