ID 3.1.1.54 DE acetoxybutynylbithiophene deacetylase. CA 5-(4-acetoxybut-1-ynyl)-2,2'-bithiophene + H2O = 5-(4-hydroxy-but-1- CA ynyl)-2,2'-bithiophene + acetate + H(+). CC -!- Highly specific. //