p. 900 - 907
(2007/10/03)(S)-4-t-butyldimethylsilyloxy-1-methyl-2-oxopyrrolidine
(R)-3-acetylthio-1-methyl-5-oxopyrrolidine
(S)-4-methanesulfonyloxy-1-methyl-2-oxopyrrolidine
(S)-4-hydroxy-1-methyl-2-oxopyrrolidine
(4-nitrophenyl)methyl (4R,5R,6S)-3-[(diphenoxyphosphinyl)oxy]-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate