InChI=1/C18H17N3O4S/c1-2-11-4-3-5-12-8-9-21(16(11)12)26(24,25)13-6-7-15-14(10-13)17(22)20-18(23)19-15/h3-7,10H,2,8-9H2,1H3,(H2,19,20,22,23)/f/h19-20H 97D26FB4A8F9DD88