189345-04-8

(6r,7r)-7-[[(2z)-2-(5-amino-1,2,4-thiadiazol-3-yl)-2-ethoxyiminoacetyl]amino]-3-[[4-(1-methylpyridin-1-ium-4-yl)-1,3-thiazol-2-yl]sulfanyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate