InChI=1/C20H14N2O4S/c1-21-17(23)13-8-9-27-19(13)22-18(24)15-10-14-12-5-3-2-4-11(12)6-7-16(14)26-20(15)25/h2-10H,1H3,(H,21,23)(H,22,24)/f/h21-22H	031472148B06A8C7