p. 888 - 892
(2005)benzyl 4-bromo-2-<(tert-butyloxy)carbonylamino>butanoate
(S)-benzyl 2-((tert-butoxycarbonyl)amino)-4-hydroxybutanoate
L-2-(tert-butyloxycarbonylamino)-4-hydroxybutyric acid
di-tert-butyl dicarbonate
N-tert-butyloxycarbonyl-O-tosyl-L-homoserine benzyl ester