Amino pyrimidin-7-yl substituted benzopyrans for treatment of hy

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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544326, 544328, 544243, 544230, 544329, A61K 31505, C07D23902, C07D41500, C07D23700

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active

052545555

ABSTRACT:
Compounds of the formula (I) or pharmaceutically acceptable salts thereof ##STR1## where R.sub.2 -R.sub.7, Y, a and b are as defined, are useful in the treatment of hypertension and respiratory tract disorders.

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