Imports In 2012, Bhutan imported $764 in Hydrogenated, sulphonated, nitrated aldehydes, becoming the 0th largest importer of Hydrogenated, sulphonated, nitrated aldehydes in the world. At the same year, Hydrogenated, sulphonated, nitrated aldehydes was the 0th most imported product in Bhutan. Bhutan imports Hydrogenated, sulphonated, nitrated aldehydes primarily from: N/A.