InChI=1/C18H15N3O3S/c22-18(20-17-8-4-5-13-19-17)14-9-11-15(12-10-14)21-25(23,24)16-6-2-1-3-7-16/h1-13,21H,(H,19,20,22)/f/h20H 84E41FDF376B2064