| 252 / | HD | COMPOSITIONS |
|
| 380 | DF | PRESERVATIVE AGENTS {3} |
| 387 | DF | .~ Anti-corrosion {1} |
| 388 |  | .~.~ Organic compound containing {6} |
| 389.1 | DF | .~.~.~> Component inorganic or organic comprising element other than C,H,O,N,S, and halogen {10} |
| 390 | DF | .~.~.~> Amine, amide, azo, or nitrogen-base radical containing {2} |
| 393 | DF | .~.~.~> Phenol or quinone radical containing |
| 394 | DF | .~.~.~> Nitrogen organic compound containing |
| 395 | DF | .~.~.~> Sulphur organic compound containing |
| 396 | DF | .~.~.~> Oxygen organic compound containing |