Imports In 2015, North Macedonia imported $1 in Buta-1, 3-diene and isoprene, becoming the 0th largest importer of Buta-1, 3-diene and isoprene in the world. At the same year, Buta-1, 3-diene and isoprene was the 0th most imported product in North Macedonia. North Macedonia imports Buta-1, 3-diene and isoprene primarily from: N/A.