InChI=1/C18H19ClN4O4/c1-2-27-15-9-3-12(4-10-15)17(25)22-23-18(26)20-11-16(24)21-14-7-5-13(19)6-8-14/h3-10H,2,11H2,1H3,(H,21,24)(H,22,25)(H2,20,23,26)/f/h20-23H CC4EC9C7A0F73E6F