青霉素钾; tabilin; PENICILLIN G K-SALT; PENICILLIN G POTASSIUM SALT; PENICILLIN G POTASSIUM; potassium [2s-(2alpha,5alpha,6beta)]-3,3-dimethyl-7-oxo-6-(phenylacetamido)-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate; potassium benzylpenicillin; 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6-[(phenylacetyl)amino]-[2S-(2alpha,5alpha,6beta)]-monopotassium salt