3-(2-Chloroethyl)-2-methyl-9-(phenylmethoxy)-4H-pyrido[1,2-a]pyrimidin-4-one

This compound is a pharmaceutical intermediate featuring a pyridopyrimidinone core with a benzyloxy substituent and a chloroethyl side chain. Its structure includes multiple aromatic rings, an ether linkage, and a halogen, contributing to its properties as a research chemical.