(2013/06/06)
p. 3270 - 3277
(2012/07/02)p. 2889 - 2890
(2007/10/02)(+/-)-erythro-2-benzoylamino-3-hydroxy-valeric acid methyl ester
ethyl propanoylacetate
2-amino-3-hydroxy-valeric acid
ethyl 2-(tert-butoxycarbonylamino)-3-oxo-pentanoate
trans-2-pentenoic acid