114627-37-1 5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid, 7-(((2-amino-4-thiazolyl)((carboxy(3,4-dihydroxyphenyl)methoxy)imino)acetyl)amino)-3-(((2-carboxy-5-methyl(1,2,4)triazolo(1,5-a)pyrimidin-7-yl)thio)methyl)-8-oxo-, trisodium salt, (6R-(6alpha,7beta(Z(S*))))- Antibiotic M 14659 M 14659 M14659