InChI=1/C17H19ClN4O4/c1-10-11(16(25)21-17(26)19-10)7-8-15(24)22(2)9-14(23)20-13-6-4-3-5-12(13)18/h3-6H,7-9H2,1-2H3,(H,20,23)(H2,19,21,25,26)/f/h19-21H 842972577DB5339C