InChI=1/C18H16ClNO5/c1-2-24-18(23)13-4-6-14(7-5-13)20-17(22)11-25-16-8-3-12(10-21)9-15(16)19/h3-10H,2,11H2,1H3,(H,20,22)/f/h20H F0A617140F96D7E2