3-(HET)ARYLCARBOXYLIC ACID DERIVATIVES, THEIR PREPARATION AND INTERMEDIATES FOR THEIR PREPARATION
The invention concerns 3-(hetero)aryl carboxylic acid derivatives of formula (I) in which R is a formyl group, a CO2H group or a group which can be hydrolysed to give a COOH group and the other substituents are as follows: R2 and R3 are halogen, alkyl, haloalkyl, alkoxy, haloalkoxy or alkylthio; X i...
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