p. 2603 - 2628
(2007/10/03)methyl 3-trimethylsiloxybut-2-enoate
acetic acid (2S,3S)-2-acetoxy-1-benzyl-5-oxo-pyrrolidin-3-yl ester
acetic acid (2S,3S)-1-benzyl-2-hydroxy-5-oxo-pyrrolidin-3-yl ester
(S)-4-acetoxy-1-benzyl-2,5-pyrrolidinedione
(S)-acetoxysuccinic anhydride