申请人:Sterling Drug Inc.
公开号:US04448780A1
公开(公告)日:1984-05-15
N-R.sub.1 -N-(6-R-5-PY-2-pyridinyl)ureas, where R.sub.1 is lower-alkyl, R is hydrogen or lower-alkyl, and PY is 4- or 3-pyridinyl or 4- or 3-pyridinyl having one or two lower-alkyl substituents, or acid-addition salts thereof. Said compounds (I) or pharmaceutically acceptable acid-addition salts thereof are useful as cardiotonic agents. The preparation and cardiotonic use of said compounds are shown.
N-R.sub.1-N-(6-R-5-PY-2-吡啶基)脲类化合物,其中R.sub.1是较低的烷基,R是氢或较低的烷基,PY是4-或3-吡啶基或带有一个或两个较低的烷基取代基的4-或3-吡啶基,或其酸盐。所述化合物(I)或其药用可接受的酸盐可用作强心剂。所述化合物的制备和强心用途已被证明。