| 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} |
| 261 | DF | .~.~.~ Hetero ring is five-membered having two or more ring hetero atoms of which at least one is nitrogen {10} |
| 263 | DF | .~.~.~.~ 1,3,4-thiadiazoles (including hydrogenated) {1} |
| 264 | | .~.~.~.~.~ Diazole ring (including hydrogenated) attached directly to the thiadiazole ring by nonionic bonding |