InChI=1/C18H20ClNO2/c1-3-22-17-10-13-8-9-20-18(15(13)11-16(17)21-2)12-4-6-14(19)7-5-12/h4-7,10-11,18,20H,3,8-9H2,1-2H3/t18-/m0/s1 3A14BB4B87375D4D