1,8-Diaza-spiro[5.5]undecan-7-one

cis-3-Fluoro-piperidin-4-ol

(R)-3,3-Difluoro-4-hydroxy-piperidine-1-carboxylic acid tert-butyl ester

3,3-Difluoro-1-propyl-piperidin-4-ol hydrochloride

(2S, 4S)-(4-Amino-1-methyl-pyrrolidin-2-yl)-methanol dihydrochloride

(R)-1-Methyl-2,3-dihydro-1H-isoindole hydrochloride

(2S,4S)-4-Hydroxy-piperidine-1,2-dicarboxylic acid 1-(9H-fluoren-9-ylmethyl) ester

cis-4-Amino-3-trifluoromethyl-piperidine-1-carboxylic acid tert-butyl ester

3-[2-(9H-Fluoren-9-ylmethoxycarbonylamino)-ethyl]-benzoic acid