InChI=1S/C21H27ClN2O3/c1-15-12-18(27-24-15)8-6-4-3-5-7-11-25-20-10-9-17(13-19(20)22)21-23-16(2)14-26-21/h9-10,12-13,16H,3-8,11,14H2,1-2H3/t16-/m0/s1