| 504 / | HD | PLANT PROTECTING AND REGULATING COMPOSITIONS |
| 116 | DF | PLANT GROWTH REGULATING COMPOSITIONS (E.G., HERBICIDES, ETC.) {9} |
| 189 | DF | .~ Organic active compound containing {19} |
| 320 | DF | .~.~ Carboxylic acid, carboxylic acid salt, carboxylic acid anhydride, or carboxylic acid halide {2} |
| 325 | ![]() | .~.~.~ Containing halogen bonded directly to carbon (e.g., trichloroacetates, etc.) |