InChI=1/C19H20N4O3S/c24-19(23-18-8-4-7-16-13-20-10-9-17(16)18)21-11-12-22-27(25,26)14-15-5-2-1-3-6-15/h1-10,13,22H,11-12,14H2,(H2,21,23,24)/f/h21,23H EF5C22F4FF32E43B