| 摘要 |
The tetra-substituted ammonium salts of N-phosphonomethylglycine having the formula (I), wherein R1, R2, R3, and R4 are individually selected from the group consisting of alkyl having 1 to 20 carbon atoms, inclusive, alkenyl having 2 to 6 carbon atoms, inclusive, hydroxyalkyl having 1 to 4 carbon atoms, inclusive, and phenyl, substituted phenyl wherein the substituent is alkyl having 1 to 4 carbon atoms, inclusive, or halo, having utilities as herbicides and plant growth regulants. |
