Solid forms of a selective CDK4/6 inhibitor

Solid forms of a selective CDK4/6 inhibitor

  • CN 105,008,357 A
  • Filed: 02/08/2014
  • Published: 10/28/2015
  • Est. Priority Date: 02/21/2013
  • Status: Active Application
First Claim
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1. The crystalline free base of 1.6-ethanoyl-8-cyclopentyl-5-methyl-2-(5-piperazine-1-base-pyridine-2-base amino)-8H-pyrido [2,3-d] pyrimidin-7-ones, it has≤

  • specific surface area of 2 meters squared per gram.

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