InChI=1/C19H18N2O4S/c1-11(2)25-14-6-3-12(4-7-14)10-21-17(22)15-8-5-13(18(23)24)9-16(15)20-19(21)26/h3-9,11,22H,10H2,1-2H3,(H,23,24)/p-2/fC19H16N2O4S/h22h/q-2 607A3C1C3ECF6771