InChI=1/C14H14N3O6S/c1-2-21-14(18)10-8-15-16-13(10)24(19,20)17-9-3-4-11-12(7-9)23-6-5-22-11/h3-4,7-8H,2,5-6H2,1H3,(H,15,16,18)/q-1/f/h15H 6D24E0E796D1593D