英文别名8-Cyclopentyl-5-methyl-2-[[(5-piperazin-1-ylpyridin-2-yl)]amino]-8H-pyrido[2,3-d]pyrimidin-7-one; 8-Cyclopentyl-5-methyl-2-{[5-(1-piperazinyl)-2-pyridinyl]amino}pyrido[2,3-d]pyrimidin-7(8H)-one; Pyrido[2,3-d]pyrimidin-7(8H)-one, 8-cyclopentyl-5-methyl-2-[[5-(1-piperazinyl)-2-pyridinyl]amino]-; 6-Desacetyl Palbociclib 
