InChI=1/C16H19ClN2O4/c17-14-3-1-11(16(21)22)9-13(14)15-4-2-12(23-15)10-19-6-5-18-7-8-20/h1-4,9,18-20H,5-8,10H2,(H,21,22)/p+1/fC16H20ClN2O4/h18-19H/q+1 FC7F068DF541F812