Metabutoxycaine is a local agent that can suppress or relieve pain[1].
Definition
ChEBI: Metabutoxycaine is a benzoate ester.
References
[1] HARRIS SC, et al. Comparative local anesthetic potencies of lidocaine and metabutoxycaine. J Am Dent Assoc. 1958 Jul;57(1):66-70. DOI:10.14219/jada.archive.1958.0249