Certain novel compounds having the structural formula ##STR1## where R.sub.2, R.sub.3 and R.sub.4 are each selected from the group consisting of H and OA; A is H or is selected from the group consisting of hydrocarbyl radicals, e.g. lower alkyl radicals, i.e. methyl, ethyl, propyl, etc., or ##STR2## wherein R.sub.5 is selected from the group consisting of hydrocarbyl radicals, e.g. alkyl and aromatic residues; n is 2 or 3; and R.sub.1 is selected from the group consisting of organic radicals having fused aromatic rings, that is, radicals comprising at least two rings that share a pair of carbon atoms or share a carbon and nitrogen atom are useful for inducing a dopaminergic response and reducing the intraocular pressure in a mammal.
具有结构式##STR1##的某些新化合物,其中R.sub.2,R.sub.3和R.sub.4分别选自H和OA组成的群体;A为H或选自烃基基团的群体,例如低烷基基团,即甲基,乙基,丙基等,或##STR2##其中R.sub.5选自烃基基团,例如烷基和芳香残基;n为2或3;R.sub.1选自具有融合芳香环的有机基团,即包含至少两个共享一对碳原子或共享一个碳和氮原子的环的基团,对于诱导哺乳动物的
多巴胺反应和降低眼内压有用。