2-Amino-4-substituted-5-thiazolecarboxylic acids and derivatives thereof, are intermediates for the preparation of 2-substituted-4-substituted-5-thiazolecarboxylic acid derivatives which are herbicidal safeners.
2-
氨基-4-取代-5-
噻唑羧酸及其衍
生物是制备具有除草安全剂作用的2-取代-4-取代-5-
噻唑羧酸衍
生物的中间体。