4-nitrobenzyl (5R,6S)-6-((1R)-1-hydroxyethyl)-2-(imidazo[5,1-b]thiazol-2-yl)-1-carbapen-2-em-3-carboxylate 、
碘甲烷 生成 4-nitrobenzyl (5R,6S)-6-((1R)-1-hydroxyethyl)-2-(6-methylimidazo[5,1-b]thiazolium-2-yl)-1-carbapen-2-em-3-carboxylate 、
4-nitrobenzyl (5R,6S)-6-((1R)-1-hydroxyethyl)-2-(6-methylimidazo[5,1-b]thiazolium-2-yl)-1-carbapen-2-em-3-carboxylate iodide