p. 1734 - 1737
(2007/10/03)tert-butyl (S)-1-(N-methoxy-N-methylcarbamoyl)-2-methylpropylcarbamate
1-(phenylmethyl) hydrogen (3S)-2-[(2R)-2-[2-(1,1-dimethylethoxy)-2-oxoethyl]-5-methyl-1-oxohexyl]hexahydro-1,3-pyridazinedicarboxylate
phenylmethyl (3S)-hexahydro-3-[[(4S)-2-oxo-4-(phenylmethyl)-3-oxazolidinyl]carbonyl]-1-pyridazinecarboxylate
1,1-dimethylethyl (R)-3-(3-methylbutyl)-4-oxo-4-[(4S)-4-(phenylmethyl)oxazolidin-3-yl]butanoate
(4S)-3-(5-methyl-1-oxohexyl)-4-(phenylmethyl)-2-oxazolidinone