5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid, 7-(((((4-hydroxy-6-methyl-3-pyridinyl)carbonyl)amino)(4-hydroxyphenyl)acetyl)amino)-3-(((1-methyl-1H-tetrazol-5-yl)thio)methyl)-8-oxo-, monosodium salt, (6R-(6alpha,7beta(R*)))- 70797-11-4 74849-93-7 Antibiotic SM 1652 CEFPIRAMIDE SODIUM Cefpiramide sodium [USAN:JAN] Cefpiramide sodium salt SM 1652 SM-1652 Sodium (6R,7R)-7-((R)-2-(4-hydroxy-6-methylnicotinamido)-2-(p-hydroxyphenyl)acetamido)-3-(((1-methyl-1H-tetrazol-5-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylate WY 44,635 sodium