InChI=1/C18H14ClN5O4/c19-10-6-7-12-11(9-10)17-22-16(13-3-2-8-28-13)23-24(17)18(20-12)21-14(25)4-1-5-15(26)27/h2-3,6-9H,1,4-5H2,(H,26,27)(H,20,21,25)/p-1/fC18H13ClN5O4/h21H/q-1 4CC666196CC15806