InChI=1/C15H17N3O4S/c16-23(20,21)11-8-6-10(7-9-11)17-15(19)14-12-4-2-1-3-5-13(12)22-18-14/h6-9H,1-5H2,(H,17,19)(H2,16,20,21)/f/h17H,16H2 25C15F2EBB906F97