InChI=1/C17H14N2O6S/c1-19-16(20)12-4-3-11(7-13(12)17(19)21)26(22,23)18-8-10-2-5-14-15(6-10)25-9-24-14/h2-7,18H,8-9H2,1H3 5AE439FC55BF9D28