InChI=1/C19H15N3O5S/c1-25-12-3-2-4-13(8-12)26-9-17(23)22-18-20-15(10-28-18)11-5-6-16-14(7-11)21-19(24)27-16/h2-8,10H,9H2,1H3,(H,21,24)(H,20,22,23)/f/h21,23H 0271091481D3585F