(6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-5-yl)-2-methoxyiminoacetyl]amino]-8-oxo-3-(3-oxobutanoyloxymethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 、
5-甲基-[1,2,4]三唑并[1,5-A]吡啶 生成 (6R,7R)-7-[[2-amino-5-[(Z)-methoxyiminomethyl]-1,3-thiazole-4-carbonyl]amino]-3-[(5-methyl-[1,2,4]triazolo[1,5-a]pyridin-4-ium-1-yl)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate