InChI=1/C20H13ClN4O3/c21-15-9-8-14(18-13(15)7-4-10-22-18)19(26)23-24-20(27)16-11-17(28-25-16)12-5-2-1-3-6-12/h1-11H,(H,23,26)(H,24,27)/f/h23-24H 45E1BCBD635D7587