InChI=1/C18H19ClN4O3/c19-16-11-15(23(25)26)5-6-17(16)21-18(24)20-8-10-22-9-7-13-3-1-2-4-14(13)12-22/h1-6,11H,7-10,12H2,(H2,20,21,24)/f/h20-21H 8C542C7BD2EC6E22