PHARMACEUTICAL PREPARATION COMPRISING CYCLIN INHIBITOR AND PREPARATION METHOD THEREOF

摘要

Disclosed is a pharmaceutical preparation taking 6-acetyl-8-cyclopentyl-5-methyl-2-(5-piperazine-1-yl-pyridine-2-yl amino group)-8H-pyrido[2,3-d]pyrimidine-7-one or salt thereof as an active ingredient, the salt comprising hydrochloride and isethionate, and the dosage form thereof comprising tablets and capsules both having good stability and excellent dissolution performance.