InChI=1/C21H18Cl2N2O4/c22-16-7-3-1-5-12(16)14-9-11(26)10-15(13-6-2-4-8-17(13)23)21(14)18(27)24-20(29)25-19(21)28/h1-8,11,14-15,26H,9-10H2,(H2,24,25,27,28,29)/t14-,15-/m0/s1/f/h24-25H 13ACE2CAA9DD1FA2