Section 06 Products of the chemical or allied 29 Organic chemicals 29 23 Quaternary ammonium salts, etc; lecithins and other phosphoaminolipids 29 23 20 Lecithins, whether or not chemically defined 29 23 20 10 Lecithins, whether or not chemically defined Commodity Code Description 29 23 20 10 00 Lecithins, whether or not chemically defined