Substituted benzopyrano[3,4-c]pyridines, compositions and use th

Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Bacterium or component thereof or substance produced by said...

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424267, 546 92, A61K 3144, A61K 31445, C07D491052

Patent

active

042762960

ABSTRACT:
Substituted benzopyrano[3,4-c]pyridines and processes for their preparation are disclosed. The compounds are active as bronchodilators.

REFERENCES:
patent: 3946008 (1974-03-01), Brown et al.
patent: 3961057 (1976-06-01), Brown et al.
Austen et al., Asthma, (1973), Academic Press, pp. 29-38, 92-107, 169-184.

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