| abstract |
Herbicidal and plant growth regulating 5-amino-1-phenyl-pyrazoles of the formula <IMAGE> in which R1 to R4 each represents hydrogen or various organic radicals, X represents oxygen or sulphur, n represents the number 0, 1 or 2, and m represents the number 1, 2 or 3, but wherein, in the case where R1 and R3 represent hydrogen and R2 represents nitro, R4 does not simultaneously represent a propionyl radical.n[US4787930A] |