InChI=1S/C12H23NO9S3/c1-23-5-3-2-4-8(13-22-25(18,19)20)24-12-11(17)10(16)9(15)7(6-14)21-12/h7,9-12,14-17H,2-6H2,1H3,(H,18,19,20)/p-1