InChI=1/C20H17Cl2N3O5/c1-20(11-5-6-14-15(9-11)30-8-7-29-14)18(27)25(19(28)24-20)10-16(26)23-17-12(21)3-2-4-13(17)22/h2-6,9H,7-8,10H2,1H3,(H,23,26)(H,24,28)/t20-/m0/s1/f/h23-24H D3D7E299377FCBE0