allyl (5R,6S)-6-[(1R)-1-allyloxycarbonyloxyethyl]-2-hydroxymethyl-1-methyl-1-carbapen-2-em-3-carboxylate 、
3-(aminosulfonyl)aminomethylimidazo[5,1-b]thiazole 以obtaining 14.2 mg of the title compound的产率得到(5R,6S)-6-[(1R)-1-hydroxyethyl]-2-(3-(aminosulfonyl)aminomethylimidazo[5,1-b]thiazolium-6-yl]methyl-1-methyl-1-carbapen-2-em-3-carboxylate