p. 4602 - 4605
(2018)p. 3625 - 3633
(2007/10/03)(S)-2-amino-3-butenoic acid
tert-butyl (S)-2-(((benzyloxy)carbonyl)amino)but-3-enoate
4-(methylsulfinyl)-2-[[(phenylmethoxy)carbonyl]amino]-(2S)-butanoic acid
2(S)-tert-butyl 2-N-benzyloxycarbonylamino-3,4-epoxybutanoate
2'(R),3'(S)-N-(2-acetoxy-3-benzyloxycarbonylamino-3-tert-butoxycarbonylpropyl)N-tert-butoxycarbonylglycine tert-butyl ester