InChI=1/C16H16ClN3O3/c1-20(16(22)23-2)12-9-7-11(8-10-12)18-15(21)19-14-6-4-3-5-13(14)17/h3-10H,1-2H3,(H2,18,19,21)/f/h18-19H 4AD736707427F40D