InChI=1/C17H14N2O5S/c1-9-16(25-8-18-9)17(22)23-7-11-5-15(21)24-14-6-12(19-10(2)20)3-4-13(11)14/h3-6,8H,7H2,1-2H3,(H,19,20)/f/h19H C12498AF1B227B97