4-(3-Methoxy-4-nitrophenyl)morpholine

(4-tert-Butoxycarbonylamino-cyclohexyloxy)-acetic acid

(S)-2-(2-Oxo-propoxymethyl)-pyrrolidine-1-carboxylic acid benzyl ester

((S)-1-Benzyl-pyrrolidin-2-ylmethoxy)-acetic acid

(1-Benzyl-pyrrolidin-2-ylmethoxy)-acetic acid

(1-Benzyl-piperidin-4-ylmethoxy)-acetic acid

((S)-1-Acetyl-pyrrolidin-2-ylmethoxy)-acetic acid

(1-Methyl-pyrrolidin-3-yloxy)-acetic acid

(1-Methyl-piperidin-3-yloxy)-acetic acid

(3-Oxo-pyrrolidin-1-yl)-acetic acid

(3-Chloromethyl-piperidin-1-yl)-acetic acid