InChI=1/C19H20ClNO2/c1-13-12-14-6-4-5-7-17(14)21(13)18(22)19(2,3)23-16-10-8-15(20)9-11-16/h4-11,13H,12H2,1-3H3/t13-/m1/s1 B8C402F61928C82A