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} |
309 | DF | .~.~ Cyano or isocyano bonded directly to carbon {2} |
312 | ![]() | .~.~.~ Nitrogen, other than as nitro or nitroso, attached indirectly to the cyano or isocyano group by nonionic bonding |