Imports In 2020, Brunei imported $250 in Azelaic acid, sebacic acid, their salts & esters, becoming the 0th largest importer of Azelaic acid, sebacic acid, their salts & esters in the world. At the same year, Azelaic acid, sebacic acid, their salts & esters was the 0th most imported product in Brunei. Brunei imports Azelaic acid, sebacic acid, their salts & esters primarily from: N/A.