Compounds of formula :
in which
X is hydrogen, bromo, chloro, fluoro, iodo or any combination thereof up to four substituents; n is 0-5; and R is hydrogen or C1-4 alkyl; or a pharmaceutically acceptable salt or hydrate thereof, processes and intermediates useful in their preparation, pharmaceutical compositions containing them and their use in therapy in inhibiting dopamine-β-hydroxylase activity in mammals.
式中 X 为氢、
溴、
氯、
氟、
碘或最多四个取代基的任意组合;n 为 0-5;R 为氢或 C1-4 烷基的化合物,或其药学上可接受的盐或
水合物,以及用于制备它们的工艺和中间体、含有它们的药物组合物和它们在抑制哺乳动物体内
多巴胺-β-羟化酶活性的治疗中的用途。