4-nitrobenzyl (1S,5R,6S)-6-((1R)-1-hydroxyethyl)-1-methyl-2-(7-methylthioimidazo[5,1-b]thiazol-2-yl)-1-carbapen-2-em-3-carboxylate 生成 (1S,5R,6S)-2-[6-[2-(2-aminoethyl)thioethyl]-7-methylthioimidazo[5,1-b]thiazolium-2-yl]-6-((1R)-1-hydroxyethyl)-1-methyl-1-carbapen-2-em-3-carboxylate