allyl (1S,5R,6S)-6-[(1R)-1-allyloxycarbonyloxyethyl]-2-hydroxymethyl-1-methyl-1-carbapen-2-em-3-carboxylate 、
Imidazo[5,1-b]thiazole-3-carbaldehyde 生成 (1S,5R,6S)-6-[(1R)-1-hydroxyethyl]-2-(3-formylimidazo[5,1-b]thiazolium-6-yl)methyl-1-methyl-1-carbapen-2-em-3-carboxylate