504 / | HD | PLANT PROTECTING AND REGULATING COMPOSITIONS |
116 | DF | PLANT GROWTH REGULATING COMPOSITIONS (E.G., HERBICIDES, ETC.) {9} |
150 | DF | .~ Aquatic plant regulator (e.g., algicides, etc.) {7} |
154 | DF | .~.~ Hetero ring containing active ingredient {1} |
155 | DF | .~.~.~ Hetero ring includes nitrogen {1} |
156 | .~.~.~.~ Hetero ring is five-membered (e.g., thiadiazoles, etc.) |