7-(2-(2-IMINO-2,3-DIHYDROTHIAZOL-4-YL)ACETAMIDO)-8-OXO-3-VINYL-5-THIA-1-AZABICYCLO(4.2.0)OCT-2-ENE-2-CARBOXYLIC ACID, (6R,7R)-
7-(2-(2-imino-2,3-dihydrothiazol-4-yl)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid, (6r,7r)-