calcium [2S-cis(2alpha,5alpha,6beta)]-bis[3,3-dimethyl-7-oxo-6-[(phenoxyacetyl)amino]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate] 4-Thia-1-azabicyclo3.2.0heptane-2-carboxylic acid, 3,3-dimethyl-7-oxo-6-(phenoxyacetyl)amino-, calcium salt (2:1), (2S,5R,6R)- penicillin V calcium Bis[6α-(phenoxyacetylamino)penicillanic acid]calcium salt Bantogen Calcium [2S-cis(2?,5?,6?)]-bis[3,3-dimethyl-7-oxo-6-[(phenoxyacetyl)amino]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate calcium [2S-cis(2alpha,5alpha,6beta)]-bis[3,3-dimethyl-7-oxo-6-[(phenoxyacetyl)amino]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate]