InChI=1/C18H15ClN4O4/c1-20-18(25)14-4-2-12(19)9-15(14)21-17(24)10-22-7-6-11-8-13(23(26)27)3-5-16(11)22/h2-9H,10H2,1H3,(H,20,25)(H,21,24)/f/h20-21H 70DF3D5E7CC2B465