InChI=1/C18H17ClN2O/c1-11-6-7-15(9-16(11)19)20-10-14-8-13-5-3-4-12(2)17(13)21-18(14)22/h3-9,20H,10H2,1-2H3,(H,21,22)/f/h21H 9619ABE26AD7DB2A