[2-hydroxy-4-(5-thiophen-2-ylthiophen-2-yl)but-3-ynyl] acetate [2-hydroxy-4-[5-(2-thienyl)-2-thienyl]but-3-ynyl] acetate acetic acid [2-hydroxy-4-[5-(2-thienyl)-2-thienyl]but-3-ynyl] ester [2-hydroxy-4-(5-thiophen-2-ylthiophen-2-yl)but-3-ynyl] ethanoate 5-(3-Hydroxy-4-acetoxybut-1-ynyl)-2,2'-bithiophene C04711 1-acetoxy-4-[2,2']bithiophenyl-5-ylbut-3-yn-2-ol 4-(2,2'-bithien-5-yl)-2-hydroxybut-3-yn-1-yl acetate CHEBI:17229