A compound of formula (I) or a pharmaceutically acceptable derivative thereof,
wherein, R
1
, R
2
, R
3
, R
4
, R
5
, m, n and X are as defined in the specification; a process for preparing such compounds; a pharmaceutical composition comprising such compounds; and the use of such compounds in medicine.
A compound of formula (I) or a pharmaceutically acceptable derivative thereof,
wherein, R
1
, R
2
, R
3
, R
4
, R
5
, m, n and X are as defined in the specification; a process for preparing such compounds; a pharmaceutical composition comprising such compounds; and the use of such compounds in medicine.
A compound of formula (I) or a pharmaceutically acceptable derivative thereof,
wherein, R1, R2, R3, R4, R5, m, n and X are as defined in the specification; a process for preparing such compounds; a pharmaceutical composition comprising such compounds; and the use of such compounds in medicine.