InChI=1/C15H14N2O3S/c16-9-4-5-10(15(19)20)11(7-9)17-14(18)13-6-8-2-1-3-12(8)21-13/h4-7H,1-3,16H2,(H,17,18)(H,19,20)/p-1/fC15H13N2O3S/h17H/q-1 EF986DCB9BDFA9B9