InChI=1S/C13H25NO9S3/c1-24-6-4-2-3-5-9(14-23-26(19,20)21)25-13-12(18)11(17)10(16)8(7-15)22-13/h8,10-13,15-18H,2-7H2,1H3,(H,19,20,21)/t8-,10-,11+,12-,13+/m1/s1