哌柏西利杂质19
QY-PBB-019
6-bromo-8-cyclopentyl-5-methyl-2-((5-(piperazin-1-yl)pyridin-2-yl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one hydrochloride
850918-83-1
C22H27BrClN7O