Xention Limited

Japan Tobacco Inc.

Mushtaq Mulla

David John Madge

Derek Edward John

Basil Hartzoulakis

Richard John Hamlyn

John Ford

Sasha Louise Garrett

Simon James Jones

Simon Mark Jones

Oliver Gareth Dugdale

Helen Jane Payne

Derek Roland Pollard

David Madge

Helen Payne

The present invention provides a compound of formula (I) or its salts or pharmaceutically acceptable derivatives thereof wherein X, R, R, R, R, and Rare defined as set forth in the specification. The compounds are useful as potassium ion channel inhibitors.

Potassium channel blockers

Compounds

A compound of formula (I)  Or its salts or pharmaceutically acceptable derivatives thereof wherein; 

The present invention provides a compound of formula (I) or its salts or pharmaceutically acceptable derivatives thereof, wherein R, R, R, R, R, X, and j are defined herein. The compounds are useful as potassium ion channel inhibitors.

The present invention provides a compound of formula (I) or its salts or pharmaceutically acceptable derivatives wherein R, R, R, X, and A are defined herein. The compounds are useful as potassium ion channel inhibitors.

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Cambridge, United Kingdom

Mushtaq Mulla