4-nitrobenzyl(5R,6S)-6-((1R)-1-hydroxyethyl)-2-(7-methoxyiminomethylimidazo[5,1-b]thiazol-3-yl)-1-carbapen-2-em-3-carboxylate 生成
Pivaloyloxymethyl(5R,6S)-6-((1R)-1-hydroxyethyl)-2-(7-methoxyiminomethylimidazo[5,1-b]thiazol-3-yl)-1-carbapen-2-em-3-carboxylate