InChI=1/C20H25Cl2NO3/c1-20(2,11-14-7-9-16(25-3)10-8-14)23-12-15(24)13-26-18-6-4-5-17(21)19(18)22/h4-10,15,23-24H,11-13H2,1-3H3/p+1/t15-/m1/s1/fC20H26Cl2NO3/h23H/q+1 CBA4892B8A1DB42F