InChI=1/C22H20ClN3O4/c1-15(26(28)22(27)30-3)4-9-18-14-21(16-5-7-17(23)8-6-16)25(24-18)19-10-12-20(29-2)13-11-19/h5-8,10-15,28H,1-3H3/t15-/m0/s1 11F7B39FCC8F34A3