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Priority claimed from PCT/GB2004/004112external-prioritypatent/WO2005030761A1/en
Priority claimed from PCT/GB2004/004132external-prioritypatent/WO2005030762A1/en
Application filed by Astrazeneca AbfiledCriticalAstrazeneca Ab
Publication of TW200626582ApublicationCriticalpatent/TW200626582A/en
Compounds of Formula I or pharmaceutically acceptable salts thereof: wherein G, R1, R2, R3, R4 and R5 are as defined in the specification as well as salts and pharmaceutical compositions including the compounds are prepared. They are useful in therapy, in particular in the management of pain.