p. 6877 - 6880
(2007/10/02)Benzoic acid (2S,3S,4R)-1-benzoyl-4-isopropenyl-3-methoxycarbonylmethyl-pyrrolidin-2-ylmethyl ester
((2R,3R,4S)-1-Benzoyl-2-hydroxymethyl-4-isopropenyl-pyrrolidin-3-yl)-acetic acid methyl ester
diazomethane
Benzoic acid (2S,3S,4S)-1-benzoyl-4-isopropenyl-3-methoxycarbonylmethyl-pyrrolidin-2-ylmethyl ester
((2R,3R,4R)-1-Benzoyl-2-hydroxymethyl-4-isopropenyl-pyrrolidin-3-yl)-acetic acid methyl ester