InChI=1/C16H15ClN4O4/c1-7-5-4-6-21-13(7)20-12(17)10(14(21)22)11-9(15(23)25-3)8(2)18-16(24)19-11/h4-6,11H,1-3H3,(H2,18,19,24)/t11-/m1/s1/f/h18-19H 161BDDF63990BBE5