InChI=1/C18H23ClN4O3/c1-5-18(3,4)22-16(24)14-7-6-12(9-15(14)19)21-17(25)20-10-13-8-11(2)23-26-13/h6-9H,5,10H2,1-4H3,(H,22,24)(H2,20,21,25)/f/h20-22H 252956D7B5190319