InChI=1S/C11H19NO13S3/c1-2-5(13)3-7(12-25-28(20,21)22)26-11-10(16)9(15)8(14)6(24-11)4-23-27(17,18)19/h2,5-6,8-11,13-16H,1,3-4H2,(H,17,18,19)(H,20,21,22)/b12-7+