哌柏西利杂质7
QY-PBB-007
di-tert-butyl 4,4'-(6,6'-((8-cyclopentyl-5-methyl-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidine-2,6-diyl)bis(azanediyl))bis(pyridine-6,3-diyl))bis(piperazine-1-carboxylate)