5-chloro-2-[3-(4cyano4-phenyl-1-piperidyl)propyl]4(3H)-quinazolinone
5-chloro-2-[3-(4-hydroxy-4-phenyl-1-piperidyl)propyl]-4(3H)-quinazolinone
2-[3-(4-amino-4-phenyl-1-piperidyl)propyl]-5-chloro-4(3H)-quinazolinone
5-chloro-2-[3-(4-phenyl-1-piperidyl)propyl]-4(3H)-quinazolinone