InChI=1/C18H23ClN4O4/c1-9(2)23-11(4)16(10(3)22-23)21-18(25)20-14-8-15(26-5)12(7-13(14)19)17(24)27-6/h7-9H,1-6H3,(H2,20,21,25)/f/h20-21H 78ABB81453C821BF