InChI=1/C19H20Cl2N2O4/c1-4-26-19(25)23(3)15-8-6-14(7-9-15)22-18(24)12(2)27-17-10-5-13(20)11-16(17)21/h5-12H,4H2,1-3H3,(H,22,24)/t12-/m1/s1/f/h22H 97C115B16D303BA4