哌柏西利杂质18
QY-PBB-018
4-(6-((6-bromo-8-cyclopentyl-5-methyl-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-2-yl)amino)pyridin-3-yl)piperazine-1-carboxylate
571188-82-4
C27H34BrN7O3