| 2019 | Invention | Preparation method for chlorophenoxycarboxylate. 2′. The present disclosure redesigns the process... | 
				    			
				    				
				    					|  | Invention | Preparation method for phenoxycarboxylic acid herbicide. | 
				    			
				    				
				    					|  | Invention | Preparation method for phenoxyacetate. | 
				    			
				    				
				    					|  | Invention | Preparation method for 2,4-dichlorophenoxyacetic acid or salt thereof. | 
				    			
				    				
				    					|  | Invention | Preparation method for chlorophenoxycarboxylate. | 
				    			
				    				
				    					|  | Invention | Preparation method for phenoxycarboxylate. | 
				    			
				    				
				    					|  | Invention | Preparation method of phenoxycarboxylic acid herbicides. 3. | 
				    			
				    				
				    					|  | Invention | Method for preparing phenoxy carboxylic acid herbicide. 11333. The present invention can improve ... | 
				    			
				    				
				    					|  | Invention | Preparation method of phenoxycarboxylic acid herbicides. 11333. The invention is capable of impro... |