PHENYLTHYLAMINE DERIVATIVES AND THEIR PHYSIOLOGICALLY TOLERABLE SALTS, PROCESS FOR THEIR PREPARATION, APPLICATION, ANIMAL FEEDING, GROWTH-PROMOTING AGENTS FOR ANIMALS, PROCESS FOR THE PREPARATION OF ANIMAL FEEDING, AND PRE-MIXTURES FOR FOOD

摘要

Phenylethylamine derivatives of the formula I IMAGE in which the radicals R1, R2, R3, X and Y are as defined in the description, and their use as growth-promoting additives in animal nutrition.