InChI=1/C19H16ClNO5/c1-11(18(22)14-6-5-12-3-2-4-13(12)9-14)26-19(23)16-8-7-15(21(24)25)10-17(16)20/h5-11H,2-4H2,1H3/t11-/m0/s1 756EAD3AC21EEEF8