InChI=1/C18H25ClN4O4/c1-22(2)16(12-6-4-3-5-7-12)11-20-17(24)18(25)21-15-9-8-13(23(26)27)10-14(15)19/h8-10,12,16H,3-7,11H2,1-2H3,(H,20,24)(H,21,25)/p+1/t16-/m0/s1/fC18H26ClN4O4/h20-22H/q+1 729BBC10C8FB94C3