p. 4253 - 4256
(2007/10/03)4-hydroxymethyl-2,2-dimethyloxazolidine-3-carboxylic acid tert-butyl ester
meta-hydroxybenzaldehyde
(S)-2,2-dimethyl-oxazolidine-3,4-dicarboxylic acid 3-tert-butyl ester 4-methyl ester
N-tert-butyloxycarbonyl-L-serine methyl ester
di-tert-butyl dicarbonate