InChI=1/C19H14N4O4S/c24-18-16-8-4-3-7-15(16)17(20-21-18)19(25)22-23-28(26,27)14-10-9-12-5-1-2-6-13(12)11-14/h1-11,23H,(H,21,24)(H,22,25)/f/h21-22H DD01D9AAEF7A2C30