(R)-4-cyano-3-hydroxybutanoic acid methyl ester

(R)-2-[(R)-2-(tert-Butyl-dimethyl-silanyloxy)-3-cyano-propyl]-4,5-dihydro-thiazole-4-carboxylic acid benzyl ester

(R)-3-Benzylsulfanyl-2-[(R)-3-(tert-butyl-dimethyl-silanyloxy)-4-cyano-butyrylamino]-propionic acid benzyl ester

sodium cyanide

1-氯-3-苯氧基-2-丙酮