发明授权
US5478937A Certain cinnoline carboxaldehydes and naphthyridine carboxaldehydes useful as intermediates 失效
某些噌啉羧醛和萘啶甲醛可用作中间体

Certain cinnoline carboxaldehydes and naphthyridine carboxaldehydes
useful as intermediates
摘要:
The present invention relates to new 2-amino-4-heteroaryl-1,4-dihydropyridines of the general formula (I) ##STR1## in which R.sub.1 to R.sub.4 have the meaning given in the description, processes for their preparation and their use in medicaments, in particular in compositions for the treatment of cardiovascular disorders.
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