InChI=1/C19H18ClN3O4/c1-3-5-14-15(17(24)26-4-2)19(12(9-21)16(22)27-14)11-8-10(20)6-7-13(11)23-18(19)25/h6-8H,3-5,22H2,1-2H3,(H,23,25)/t19-/m1/s1/f/h23H 2425F3D0F0541F1B