211020 Lysine, glutamic acid and their salts/ quarternary ammonium salts and hydroxides/ phosphoaminolipids/ amides and their derivatives and salts thereof

21102010 Lysine and its esters, and salts thereof 21102020 Glutamic acid and its salts 21102040 Quaternary ammonium salts and hydroxides/ lecithins and other phosphoaminolipids, whether or not chemically defined 21102060 Acyclic amides and their derivatives, and salts thereof (including acyclic carbamates) 21102070 Cyclic amides and their derivatives, and salts thereof (including cyclic carbamates) (excluding ureines and their derivatives, and salts thereof)