(2S,5R,6R)-6-[(R)-2-Amino-2-phenylacetamido]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid 69-52-3 (SODIUM SALT) 69-53-4 7177-48-2 (TRIHYDRATE) AIDS-029735 AIDS029735 AY-6108 Amcill Ampicillin Ampicilline BRL-1341 NSC528986 Omnipen P-50 Polycillin Principen Synpenin Tokiocillin Totacillin (sodium)