(2011/12/02)
(2010/11/28)
(2010/11/28)
(2S,4R)-2-dimethylaminocarbonyl-4-mesyloxy-1-p-nitrobenzyloxycarbonylpyrrolidine
potassium thioacetate
sodium thioacetate
(2S,4R)-4-Hydroxy-1-(4-nitrobenzyloxycarbonyl)pyrrolidine-2-carboxylic acid
4-nitrobenzyl chloroformate
p-nitrobenzyl (4R,5S,6S)-3-<(3S,5S)-5-dimethylaminocarbonyl-1-(p-nitrobenzyloxycarbonyl)pyrrolidin-3-ylthio>-6-<(1R)-1-hydroxyethyl>-4-methyl-7-oxo-1-azabicyclo<3.2.0>hept-2-en-2-carboxylate
meropenem
bi[(2S,4S)-2-dimethylaminocarbonyl-1-PNZ-pyrrolindin-4-yl]disulfide
(2S,4S)-1-p-nitrobenzyloxycarbonyl-2-dimethylaminocarbonyl-4-thiolpyrrolidine