3-Methoxy-4-nitrobenzoic acid methyl ester

4-Hydroxy-6-methylpyrimidine

4-Bromo-3-nitrobenzoic acid

3-Boc-aminomethyl-pyrrolidine

(R)-1-Boc-2-(aminomethyl)pyrrolidine

(R)-1-Boc-2-cyanopyrrolidine

tert-butyl 4-oxocyclohexylcarbamate

(S)-1-N-Boc-piperazine-2-carboxylic acid methyl ester

(S)-1-N-Boc-piperazine-2-carboxylic acid methyl ester

1-Boc-piperazine-3-carboxylic acid