4-[4-(4-Bromophenyl)-4-hydroxy-1-piperidinyl-d4]-1-(4-fluorophenyl)-1-butanone 4-[4-(p-Bromophenyl)-4-hydroxypiperidino-d4]-4'-fluoro-butyrophenone Azurene-d4 Bromoperidol-d4 Bromperidol-d4 Impromen-d4 R 11333-d4 Tesoprel-d4