InChI=1/C21H26ClNO4/c1-20(2,27-16-5-3-4-15(22)8-16)18(24)23-17-13-6-12-7-14(17)11-21(9-12,10-13)19(25)26/h3-5,8,12-14,17H,6-7,9-11H2,1-2H3,(H,23,24)(H,25,26)/p-1/t12?,13-,14+,17?,21?/fC21H25ClNO4/h23H/q-1 2AC50D2CF2092F67