Pharmaceutical formulation

A pharmaceutical composition comprising a kernel,

• the kernel consisting of:
• i. 5% by weight of a compound of compound of formula I
• ii. a disintegrant;
• iii. a filler;
• iv. a glidant and
• v. a lubricant;
• wherein,
• i) the disintegrant is 5% by weight croscarmellose sodium,
• ii) the filler is 70% by weight mannitol and 15% by weight starch,
• iii) the glidant is 2% by weight colloidal anhydrous silica, and
• iv) the lubricant is 3% by weight sodium stearyl fumarate.