InChI=1/C16H16N2O6S/c1-23-14-4-2-3-12(15(14)19)16(20)17-18-25(21,22)11-5-6-13-10(9-11)7-8-24-13/h2-6,9,18-19H,7-8H2,1H3,(H,17,20)/f/h17H D0139A2B7290EE42