InChI=1/C21H23ClN2/c1-12-10-16(15-7-5-6-14-8-9-23-20(14)15)18(22)17-13(2)11-21(3,4)24-19(12)17/h5-10,13,23-24H,11H2,1-4H3/t13-/m0/s1 37014D02144A9F6E