InChI=1/C14H14N4O4S/c19-18(20)13-6-7-14(15-10-13)16-11-2-4-12(5-3-11)17-8-1-9-23(17,21)22/h2-7,10H,1,8-9H2,(H,15,16)/f/h16H 0078E29F04CB5721