Section 06 Products of the chemical or allied industries 29 Organic chemicals 29 23 Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids 29 23 20 Lecithins and other phosphoaminolipids 29 23 20 00 Lecithins and other phosphoaminolipids Commodity Code Description 29 23 20 00 000 Lecithins and other phosphoaminolipids