rac-2-[(2R,6S)-4-[(tert-butoxy)carbonyl]-6-(trifluoromethyl)morpholin-2-yl]aceticacid

1-[(2R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanoyl]-3,4-dimethylpyrrolidine-3-carboxylic acid

rac-(3R,4R)-1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanoyl]-3,4-dimethylpyrrolidine-3-carboxylic acid

rac-[(1R,2R)-2-(3-methylfuran-2-yl)cyclopropyl]methanamine

(2S,4R)-1-[(2RS,3RS)-3-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]oxolane-2-carbonyl]-4-hydroxypyrrolidine-2-carboxylic acid

tert-butyl N-{[5-(pyrrolidin-1-yl)piperidin-2-yl]methyl}carbamate

(2R,4R)-1-[(2RS,3RS)-3-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]oxolane-2-carbonyl]-4-hydroxypyrrolidine-2-carboxylic acid

rac-(2R,3R)-3-{[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2,2-dimethylpropanamido]methyl}oxolane-2-carboxylic acid

rac-(2R,3R)-3-{[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylbutanamido]methyl}oxolane-2-carboxylic acid

rac-(2R,3R)-3-{[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2,2-difluoropropanamido]methyl}oxolane-2-carboxylic acid

4-[({2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclopropyl}formamido)methyl]oxane-4-carboxylic acid