InChI=1/C20H21ClN4O4/c21-17-10-16(11-18(12-17)25(28)29)20(27)22-13-19(26)24-8-6-23(7-9-24)14-15-4-2-1-3-5-15/h1-5,10-12H,6-9,13-14H2,(H,22,27)/p+1/fC20H22ClN4O4/h22-23H/q+1 3D0159DFD77C8E86