44*55FLUOROMETHYLL22PYRIDYLOXY*PHENOXYALKANECARBOCYIC ACID DERIVATIVES AND THEIR PREPARATIONNEW MATERIAL:4-(5-Fluoromethyl-2-pyridyloxy)phenoxyalkanecarboxylic acid derivatives of formula I (X is f, Cl Y is H, Cl; R is H, methyl; n is 0,2; Z<1> is hydroxyl, 2 - 6C alkoxy, 2 - ...