134452-47-4 5-Thia-1-aza-bicyclo(4.2.0)oct-2-ene-2-carboxylic acid, 7-(((2-amino-4-thiazolyl)((2-(2-(3,4-dihydroxybenzoyl)hydrazino)-1,1-dimethyl-2-oxoethoxy)imino)acetyl)amino)-3-(((2-(hydroxymethyl)-5-methyl(1,2,4)triazolo(1,5-a)pyrimidin-7-yl)thio)methyl)-8-oxo-, (6R-(6alpha,7beta(Z)))- 5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid, 7-(((2-amino-4-thiazolyl)((2-(2-(3,4-dihydroxybenzoyl)hydrazino)-1,1-dimethyl-2-oxoethoxy)imino)acetyl)amino)-3-(((2-(hydroxymethyl)-5-methyl(1,2,4)triazolo(1,5-a)pyramidin-7-yl)thio)methyl)-8-oxo-, (6R-(6alpha,7beta(Z)))- 7-(2-(2-Amino-4-thiazolyl)-2-((1-(3-(3,4-dihydroxybenzoyl)carbazoyl)-1-methylethoxy)imino)acetamido)-3-(((2-(hydroxymethyl)-5-methyl(1,2,4)triazolo(1,5-a)pyrimidin-7-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid Ro 09-1428 Ro-09-1428