(organic chemistry) An aromatic bicyclic ion or salt containing a benzene ring fused to a pyrylium ion
benzylpenicillin
benzylpenicillin
noun
(pharmacology) The penicillin C₁₆H₁₈N₂O₄S that constitutes the principal or sole component of most commercial preparations and is used chiefly in the form of its stable salts (as the sodium salt C₁₆H₁₇N₂NaO₄S or potassium salt C₁₆H₁₇KN₂O₄S).