(6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-[4,5-bis[(2-chloroacetyl)oxy]-2-methylbenzoyl]oxyiminoacetyl]amino]-3-[(2-carboxy-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid;2,2,2-trifluoroacetic acid 生成
(6R,7R)-7-[2-(2-amino-4-thiazolyl)-2-[Z-(4,5-dihydroxy-2-methylbenzoyl)oxyimino]acetamido]-3-[(2-carboxy-5-methyl-s-triazolo[1,5-a]pyrimidin-7-yl)thiomethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid