(6R,7S)-3-((CARBAMOYLOXY)METHYL)-7-METHOXY-8-OXO-7-(2-(THIOPHEN-3-YL)ACETAMIDO)-5-THIA-1-AZABICYCLO(4.2.0)OCT-2-ENE-2-CARBOXYLIC ACID
(6r,7s)-3-((carbamoyloxy)methyl)-7-methoxy-8-oxo-7-(2-(thiophen-3-yl)acetamido)-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid