InChI=1/C19H20ClN3O6/c20-16-4-2-1-3-14(16)19(27)15-11-13(23(28)29)5-6-17(15)21-18(26)12-22(7-9-24)8-10-25/h1-6,11,24-25H,7-10,12H2,(H,21,26)/p+1/fC19H21ClN3O6/h21-22H/q+1 D64E5418F9AA2316