4-Hydroxy-3-nitro (cyano) coumarins

Drug – bio-affecting and body treating compositions – Nonspecific immunoeffector – per se ; or nonspecific... – Virus

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2603433R, 26034344, 26034857, 26034811, 2603452, 2603467, 260349, 260465F, 260590FA, 260592, 560 21, 560 45, 560 53, 560 56, 560 64, 560 65, 560 66, 562435, 562462, 562463, 562452, 562453, 562455, A61K 3137, C07D31156

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active

041361920

ABSTRACT:
Bicyclic compounds useful in the prophylaxis and treatment of allergic diseases, pharmaceutical compositions containing the same, methods of administration of the compositions, intermediates useful in preparing the compounds and conversion of the intermediates to the bicyclic compounds. Examples of compounds are substituted coumarins and indanediones and their pharmaceutically acceptable salts.

REFERENCES:
patent: 3567832 (1971-03-01), Boschetti et al.
patent: 3974289 (1976-08-01), Buckle et al.
patent: 4012407 (1977-03-01), Doyle et al.
patent: 4032544 (1977-06-01), Doyle et al.

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