7-(tert-Butoxycarbonyl)-7-azaspiro[3.5]nonane-2-carboxylic acid

4-Cyclopropyl-1h-imidazole

6-Boc-2-oxo-6-aza-spiro[3.4]octane

6-Boc-2-hydroxy-6-aza-spiro[3.4]octane

2-Amino-6-aza-spiro[3.4]octane-6-carboxylic acid tert-butyl ester

3-(Benzyloxy)cyclobutanone

6-methyl-6-azaspiro[3.4]octan-2-ol

3-bromo-6-methylpyrazolo[1,5-a]pyrimidine

Ethyl (1R,2R)-2-cyanocyclopropane-1-carboxylate

phenethyldiphenylphosphane