| 摘要 |
The beta 2 mimetics of the 4-aminophenylethanolamine type, of the formula <IMAGE> in which R1 is a hydrogen atom or an alkoxycarbonyl group with a total of 2 to 5 carbon atoms, R2 is a hydrogen, fluorine or chlorine, R3 is a chlorine or bromine atom, a cyano or trifluoromethyl group and R4 is a branched alkyl group with 3 to 5 carbon atoms or a cycloalkyl group with 3 to 5 carbon atoms, and the physiologically tolerated acid addition salts thereof, are used for preventing peptic ulcers with protein fattening feed. |
