CAS No:1286218-63-0 ||Chemical Formula:C22H23N8O9PS4 ||Molecular Weight:702.68676 ||Exact Mass:702.02084 ||(R)-2-((R)-carboxy((Z)-2-(ethoxyimino)-2-(5-(phosphonoamino)-1,2,4-thiadiazol-3-yl)acetamido)methyl)-5-((4-(1-methylpyridin-1-ium-4-yl)thiazol-2-yl)thio)-3,6-dihydro-2H-1,3-thiazine-4-carboxylate