Sub Headings of 2923
| 2923.10.00.00 | Choline and its salts |
| 2923.20.10.00 | Purified egg phospholipids, pharmaceutical grademeeting requirements of the U.S. Food and Drug Administration, for use in intravenous fatemulsion |
| 2923.20.20.00 | Other |
| 2923.90.00.00 | Other |