| 摘要 |
<p>Vasoconstrictor alpha -adrenergic agonists of formula (I) A-B-C (1) wherein, A is a 2-imidazoline group or a guanidine group; B is a chemical bond or a linking group one or two atoms in length; and C is a C6-10 mono- or bi-cyclic group which is either an aromatic group, a heteroaromatic group containing only one hetero-atom, or a group containing an aromatic moiety; and which group C may be substituted by C1-4 alkyl, C1-4 alkoxy, halogen or hydroxyl; or salts thereof, are useful in the treatment and prevention of diarrhoea in livestock. Compositions of these compounds are described.</p> |
