3-((4-(1-aminocarbonylmethylpyridino-4-yl)thiazol-2-yl)thio)-6-(1-hydroxyethyl)-4-methyl-7-oxo-1-azabicyclo(3.2.0)hept-2-ene-2-carboxylate
3-((4-(1-aminocarbonylmethylpyridino-4-yl)thiazol-2-yl)thio)-6-(1-hydroxyethyl)-4-methyl-7-oxo-1-azabicyclo(3.2.0)hept-2-ene-2-carboxylate