InChI=1S/C11H17NO12S2/c13-6-7(14)9(10(16)17)23-11(8(6)15)22-3(4-2-21-4)1-5(25)12-24-26(18,19)20/h3-4,6-9,11,13-15H,1-2H2,(H,12,25)(H,16,17)(H,18,19,20)