InChI=1S/C14H20Cl2N2O5/c1-5(17)11(21)18-10-7-3-6(19)4-8(20)9(7)12(22)23-14(10,2)13(15)16/h5-7,10,13,19-20H,3-4,17H2,1-2H3,(H,18,21)/t5-,6-,7+,10+,14-/m0/s1