| 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} |
| 209 | DF | .~.~ Hetero ring containing {11} |
| 244 | DF | .~.~.~ Hetero ring is six-membered consisting of one nitrogen and five carbons {6} |
| 251 | | .~.~.~.~ Additional hetero ring containing {1} |
| 252 | DF | .~.~.~.~.~> The additional hetero ring is five-membered including nitrogen {1} |