InChI=1/C22H20Cl2N2O4/c23-16-9-14(10-17(24)11-16)1-4-21(27)26-7-5-15(6-8-26)22(28)25-18-2-3-19-20(12-18)30-13-29-19/h1-4,9-12,15H,5-8,13H2,(H,25,28)/b4-1+/f/h25H 4F7F84DCB87ECD62