544-31-0 Hexadecanamide, N-(2-hydroxyethyl)- Hydroxyethylpalmitamide Impulsin Loramine P 256 N-(2-Hydroxyethyl)hexadecanamide N-(2-Hydroxyethyl)palmitamide NSC23320 Palmidrol Palmitic acid monoethanolamide Palmitoylethanolamide