3-Nitro-2-substituted aminopyrroles are histamine H.sub.2 -receptor antagonists. The 2-position substituent is a fully-unsaturated heterocyclyl alkyl group preferably with with alkyl group interrupted by sulfur or oxygen. The 4- and 5-positions of the pyrrole ring can also be substituted.
3-硝基-2-取代
氨基
吡咯烷是
组胺H.sub.2-受体拮抗剂。2-位置的取代基是一种完全不饱和的杂环烷基烷基,最好是由
硫或氧中断的烷基团。
吡咯烷环的4-和5-位置也可以被取代。