| 摘要 |
New organic (thio) phosphoric acid ester compounds of the formula <IMAGE> (I) in which R1 is C1-C6 alkyl, cyclohexyl, or phenyl, R2 is C1-C6 alkyl, R3 is C1-C6 alkyl, R4 is cyclohexyl or phenyl, X is oxygen or sulfur, and Y is oxygen or sulfur HAVE BEEN FOUND TO EXHIBIT EXCELLENT HERBICIDAL, PARTICULARLY SELECTIVE HERBICIDAL ACTIVITY. |
