| 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} |
| 326 | DF | .~.~ Containing nitrogen, other than as nitro or nitroso, attached directly or indirectly to carbon by nonionic bonding {7} |
| 327 | DF | .~.~.~ Ureas or thioureas (i.e., HNH-C(=X)-HNH, wherein X is oxygen or sulfur and substitution may be made for hydrogen only) {3} |
| 330 |  | .~.~.~.~ Benzene ring attached directly or indirectly to urea or thiourea nitrogen by nonionic bonding {2} |
| 331 | DF | .~.~.~.~.~> Nitrogen, other than as nitro or nitroso, or -C(=X)-, attached indirectly to the urea or thiourea nitrogen by nonionic bonding, or alicyclic ring attached directly or indirectly to urea or thiourea nitrogen by nonionic bonding |
| 332 | DF | .~.~.~.~.~> Plural benzene rings containing |