(R)-tert-Butyl 4-cyano-2,2-dimethyloxazolidine-3-carboxylate

4-{[4-(dimethylamino)but-2-yn-1-yl]carbamoyl}-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanoic acid

rac-(1R,3R)-3-[3-(dimethylamino)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]cyclohexane-1-carboxylic acid

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

3-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylpentanamido]oxolane-3-carboxylic acid

3-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1,2,5-oxadiazole-3-amido]oxolane-3-carboxylic acid

2-(Chloromethyl)-2-cyclopropylspiro[3.3]heptane

2-(Chloromethyl)-2-(methoxymethyl)spiro[3.3]heptane

2-[(Benzyloxy)methyl]-2-(chloromethyl)spiro[3.3]heptane

2-(Bromomethyl)-2-cyclopropylspiro[3.3]heptane

2-(Bromomethyl)-2-(methoxymethyl)spiro[3.3]heptane