sodium;(6R)-3-(acetyloxymethyl)-7-[[(2Z)-2-(5-amino-1,2,4-thiadiazol-3-yl)-2-prop-2-enoxyiminoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate 、
1-methyl-1,4,5,6-tetrahydro-cyclopentapyrazole 生成 (6R)-7-[[(2Z)-2-(5-amino-1,2,4-thiadiazol-3-yl)-2-prop-2-enoxyiminoacetyl]amino]-3-[(1-methyl-5,6-dihydro-4H-cyclopenta[c]pyrazol-2-ium-2-yl)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate