2,2-dimethyl-malonyl monochloride

3-(8-{(S)-1-Benzothiazol-2-ylmethyl-2-[4-(2-fluoro-ethyl)-piperidin-1-yl]-2-oxo-ethylsulfamoyl}-3,3-dimethyl-1,2,3,4-tetrahydro-quinolin-6-yl)-propionic acid ethyl ester

3-(3,3-Dimethyl-1,2,3,4-tetrahydro-quinolin-6-yl)-propionic acid ethyl ester

3-(3,3-Dimethyl-2-oxo-1,2,3,4-tetrahydro-quinolin-6-yl)-propionic acid ethyl ester

3-(8-Chlorosulfonyl-3,3-dimethyl-1,2,3,4-tetrahydro-quinolin-6-yl)-propionic acid ethyl ester