InChI=1/C17H18Cl2N4O4/c1-16(2)12(24)22(14(26)20-16)6-7-23-13(25)17(3,21-15(23)27)10-5-4-9(18)8-11(10)19/h4-5,8H,6-7H2,1-3H3,(H,20,26)(H,21,27)/t17-/m0/s1/f/h20-21H DE252502C877102A