Ireland Exports of unsaturated acyclic or cyclic monocarboxylic acids, their anhydrides to Brunei was US$551 during 2017, according to the United Nations COMTRADE database on international trade. Ireland Exports of unsaturated acyclic or cyclic monocarboxylic acids, their anhydrides to Brunei - data, historical chart and statistics - was last updated on May of 2024.