InChI=1/C17H25ClN2O3/c1-3-20(12-14-8-5-6-9-15(14)18)13-16(21)19-11-7-10-17(22)23-4-2/h5-6,8-9H,3-4,7,10-13H2,1-2H3,(H,19,21)/f/h19H 81EE5E3E11EEE82B