| 424 / | HD | DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS |
| 400 | DF | PREPARATIONS CHARACTERIZED BY SPECIAL PHYSICAL FORM {12} |
| 464 | DF | .~ Tablets, lozenges, or pills {5} |
| 474 | ![]() | .~.~ Coated pills or tablets {2} |
| 475 | DF | .~.~.~> Organic coatings {5} |
| 483 | DF | .~.~.~> Ion-exchange resins |