InChI=1/C18H15ClN2O5/c1-11(22)15-8-13(19)3-5-17(15)26-10-18(23)20-7-6-12-2-4-14(21(24)25)9-16(12)20/h2-5,8-9H,6-7,10H2,1H3 1C9F11B56E348610