InChI=1/C19H16N4O5S/c1-10-15(16(23-28-10)11-5-3-2-4-6-11)18(27)20-19(29)22-21-17(26)13-8-7-12(24)9-14(13)25/h2-9,24-25H,1H3,(H,21,26)(H2,20,22,27,29)/f/h20-22H 38B310040B81C5FF