MONOHYDRÁT KYSELINY (6R,7R)-7-[(2R)-2-AMINO-2-FENYLACETAMIDO]-3-METHYL-8-OXO-5-THIA-1-AZABICYKLO[4.2.0]OKT-2-EN-2-KARBOXYLOVÉ
(6R,7R)-7-[[(2R)-2-AMINO-2-PHENYLACETYL]AMINO]-3-METHYL-8-OXO-5-THIA-1-AZABICYCLO[4.2.0]OCT-2-ENE-2-CARBOXYLIC ACID MONOHYDRATE; SEMI-SYNTHETIC PRODUCT DERIVED FROM A FERMENTATION PRODUCT