InChI=1/C17H18Cl2N4O5/c1-9-4-6-17(7-5-9)15(26)23(16(27)21-17)22-12(24)8-28-14(25)13-10(18)2-3-11(19)20-13/h2-3,9H,4-8H2,1H3,(H,21,27)(H,22,24)/f/h21-22H 8640B2B1B9ADAFC7