( )-3-(2-(4-(4-Fluorobenzoyl)-1-piperidinyl)ethyl)-6-hydroxy-2,4(1H,3H)-quinazolinedione 115994-49-5 2,4(1H,3H)-Quinazolinedione, 3-(2-(4-(4-fluorobenzoyl)-1-piperidinyl)ethyl)-6-hydroxy-, ( )- 6-Hydroxyketanserin