Bronchodilating piperidinoethyl benzopyranopyridinones

Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Parasitic organism or component thereof or substance...

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Details

26029351, 26029358, 26029386, 26029388, C07D49104

Patent

active

041171403

ABSTRACT:
Disclosed are novel substituted benzopyranopyridines which are active as bronchodilators.

REFERENCES:
patent: 4018766 (1977-04-01), Brown et al.
Chemical Abstracts, 82, 4302N (1975) [German Offen. 2,411,847, Brown et al, 10/10/74], Abstract Date 1/6/75.

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