dihexadecyl 1-methylpyridin-1-ium-3,5-dicarboxylate,chloride

hexadecyl pyridine-4-carboxylate

1-hexadecylpiperazine

2-[methyl(phenyl)sulfamoyl]octadecanoic acid

1-hexadecyl-3-methyl-1,2-dihydroimidazol-1-ium,iodide