Oxazina

Bactocil

Penstapho

OXACILLIN

[2S-(2,5,6)]-3,3-dimethyl-6-(methyl-3-phenylisoxaz-4-ole-carboxamide-7-oxy-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid

(2S,5R,6R)-3,3-Dimethyl-6-[(5-methyl-3-phenylisoxazol-4-yl)carbonylamino]-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid