InChI=1S/C14H27NO11S3/c1-28(20,21)7-5-3-2-4-6-10(15-26-29(22,23)24)27-14-13(19)12(18)11(17)9(8-16)25-14/h9,11-14,16-19H,2-8H2,1H3,(H,22,23,24)/b15-10+