The enzyme acetoxybutynylbithiophene deacetylase (EC 3.1.1.54) catalyzes the reaction
This enzyme belongs to the family of hydrolases, specifically those acting on carboxylic ester bonds. The systematic name is 5-(4-acetoxybut-1-ynyl)-2,2â²-bithiophene O-acetylhydrolase. Other names in common use include acetoxybutynylbithiophene esterase, and 5-(4-acetoxy-1-butynyl)-2,2â²-bithiophene:acetate esterase.