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Potassium channel opener having benzofuroindole skeleton

US-7812177-B2

Abstract

The object of the present invention is to provide a potassium channel opener having benzofuroindole skeleton representing the following formula (I) wherein, R 1 is hydrogen, R 2 is CF 3 , R 3 is COOH, R 4 is hydrogen, R 5 is hydrogen or chloride and R 6 is hydrogen or chloride.

Patent figures（8）

US-7812177-B2 figure 1
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Source status & events

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