InChI=1/C18H17ClN2O2/c19-15-4-6-16(7-5-15)21-10-9-20-12-13-1-2-14-3-8-18(22)23-17(14)11-13/h1-8,11,20-21H,9-10,12H2/p+1/fC18H18ClN2O2/h20H/q+1 894CAB39A391C650