InChI=1/C18H17ClN4O4/c1-11(24)21-13-6-8-15(9-7-13)23-18(27)17(26)20-10-16(25)22-14-4-2-12(19)3-5-14/h2-9H,10H2,1H3,(H,20,26)(H,21,24)(H,22,25)(H,23,27)/f/h20-23H 409B461F7387DBEA