Preferentially substituted calcium channel blockers

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

Reexamination Certificate

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C544S381000, C544S391000

Reexamination Certificate

active

10655393

ABSTRACT:
Certain piperazine substituted compounds are described which are useful in altering calcium channel activity.

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