| 252 / | HD | COMPOSITIONS |
|
| 380 | DF | PRESERVATIVE AGENTS {3} |
| 397 | DF | .~ Anti-oxidants or chemical change inhibitants {2} |
| 399 |  | .~.~ Organic compound containing {8} |
| 400.1 | DF | .~.~.~> Component inorganic or organic comprising element other than C,H,O,N,S, and halogen {8} |
| 400.61 | DF | .~.~.~> Group IIA metal containing |
| 400.62 | DF | .~.~.~> Alkali metal or NH4+ containing |
| 401 | DF | .~.~.~> Amine, amide, azo, or nitrogen-base radical containing {2} |
| 404 | DF | .~.~.~> Phenol or quinone radical containing |
| 405 | DF | .~.~.~> Nitrogen organic compound containing |
| 406 | DF | .~.~.~> Sulphur organic compound containing |
| 407 | DF | .~.~.~> Oxygen organic compound containing |