InChI=1/C16H13ClN2O6/c17-11-4-5-13(14(7-11)25-9-15(20)21)16(22)18-8-10-2-1-3-12(6-10)19(23)24/h1-7H,8-9H2,(H,18,22)(H,20,21)/p-1/fC16H12ClN2O6/h18H/q-1 0BD34C9CDA739BD0