InChI=1/C11H11NO4S/c13-11(14)7-4-17-10(12-7)6-1-2-8-9(3-6)16-5-15-8/h1-3,7,10,12H,4-5H2,(H,13,14)/t7-,10+/m0/s1/f/h12H B701C4A9C1B1433B