methyl 3-thiooctahydro-9S-pyrrolo[1,2-a]pyrazine-1S-carboxylate

(2-Azido-phenyl)-[(S)-2-(2-hydroxy-ethyl)-pyrrolidin-1-yl]-methanone

(1S,3S)-1-Methoxycarbonylmethyl-2-((S)-pyrrolidine-2-carbonyl)-2,3,4,9-tetrahydro-1H-β-carboline-3-carboxylic acid methyl ester

benzyl (2S)-2-[(1S)-1-amino-2-methoxy-2-oxoethyl]tetrahydro-1H-1-pyrrolecarboxylate