InChI=1/C9H11NO4S/c10-15(13,14)8-4-1-7(2-5-8)3-6-9(11)12/h1-2,4-5H,3,6H2,(H,11,12)(H2,10,13,14)/p-1/fC9H10NO4S/h10H2/q-1 ECE079D6FCB6CF51