InChI=1/C16H21ClN4O4/c1-11(22)18-8-12-3-2-6-20(9-12)10-16(23)19-14-7-13(17)4-5-15(14)21(24)25/h4-5,7,12H,2-3,6,8-10H2,1H3,(H,18,22)(H,19,23)/p+1/t12-/m1/s1/fC16H22ClN4O4/h18,20,23H/q+1 244332F4314F68B2