InChI=1/C18H17N3O4S/c22-17-10-18(23)20-16-9-14(6-7-15(16)19-17)26(24,25)21-13-5-4-11-2-1-3-12(11)8-13/h4-9,21H,1-3,10H2,(H,19,22)(H,20,23)/f/h19-20H 0723822881EDE2CC