InChI=1/C17H19ClN2O3/c18-14-3-1-2-13(8-14)11-23-15-6-4-12(5-7-15)9-20-16(10-21)17(19)22/h1-8,16,20-21H,9-11H2,(H2,19,22)/t16-/m0/s1/f/h19H2 560700F18DB7FA87