p. 697 - 703
(2007/10/03)tert-butyl (2-amino-2-methylpropyl)carbamate
(S)-2-(2-tert-Butoxycarbonylamino-1,1-dimethyl-ethylcarbamoyl)-pyrrolidine-1-carboxylic acid benzyl ester
di-tert-butyl dicarbonate
(2S,3S)-3-benzyloxycarbonylamino-2-hydroxy-4-phenylbutanoic acid