(also known as Butyn ) is a para-aminobenzoic acid (PABA) ester local anesthetic. Historically used as a fast-acting alternative to cocaine, it has largely been superseded by modern amides like lidocaine in clinical practice. Core Identity & Medical Use
Local surface anesthetic used primarily on mucous membranes. butacaine sulfate
It was widely utilized in dentistry for dental pain and ophthalmology for eye examinations and minor surgical procedures. (also known as Butyn ) is a para-aminobenzoic