InChI=1/C21H19ClN4O4/c22-12-1-3-16-15(7-12)14-5-6-26(10-17(14)25-16)21(28)23-9-20(27)24-13-2-4-18-19(8-13)30-11-29-18/h1-4,7-8,17H,5-6,9-11H2,(H,23,28)(H,24,27)/p+1/t17-/m0/s1/fC21H20ClN4O4/h23-25H/q+1 FE1C949C7E45B4F4