| 252 / | HD | COMPOSITIONS |
| 380 | DF | PRESERVATIVE AGENTS {3} |
| 397 | DF | .~ Anti-oxidants or chemical change inhibitants {2} |
| 399 | DF | .~.~ Organic compound containing {8} |
| 401 | DF | .~.~.~ Amine, amide, azo, or nitrogen-base radical containing {2} |
| 403 | | .~.~.~.~ Oxygen organic compound containing |