ethyl 2-(1-(3-chloropropyl)-4-oxo-1,4-dihydroquinazolin-2-yl)propanoate

2-(1-ethoxycarbonylethyl)-1-(3-hydroxypropyl)-4(1H)-quinazolinone

1-(3-(2-(1-ethoxy-1-oxopropan-2-yl)-4-oxoquinazolin-1(4H)-yl)propyl) 3-ethyl 2-methylmalonate