InChI=1/C17H16N2O6S/c20-17(25-15-9-3-2-8-14(15)19(21)22)13-7-1-4-10-16(13)26(23,24)18-11-5-6-12-18/h1-4,7-10H,5-6,11-12H2 D28C33A3F6D9DAC9