Benzopyrans

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

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Details

549399, 549345, 548525, 548407, 548196, 546 15, 514422, 514409, 514337, 514278, A61K 3135, C07D31168, C07D31170

Patent

active

046297340

ABSTRACT:
Compounds of formula (I): ##STR1## wherein: R.sub.1 -R.sub.6 are as defined in the specification;

REFERENCES:
patent: 4363811 (1982-12-01), Evans et al.
patent: 4366163 (1982-12-01), Evans et al.
patent: 4446113 (1984-05-01), Evans et al.
patent: 4481214 (1984-06-01), Evans
Lap et al., Aust. J. Chem., 1979, 32, pp. 619-636.

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