InChI=1/C20H15N3O3S/c24-19(15-8-7-11-17(14-15)23(25)26)18(22-12-5-2-6-13-22)20(27)21-16-9-3-1-4-10-16/h1-14H,(H-,21,24,27)/p+1/fC20H16N3O3S/h21,24H/q+1/b19-18+ 0EFCAF039A432FB8