(4-Fluorophenyl)[4-(4-fluorophenyl)-4-hydroxy-1-methyl-3-piperidinyl]methanone 21221-18-1 Flazalone Flumefenine (base) Methanone, (4-fluorophenyl)[4-(4-fluorophenyl)-4-hydroxy-1-methyl-3-piperidinyl]- NSC102629 SN 17213 p-Fluorophenyl 4-(p-fluorophenyl)-4-hydroxy-1-methyl-3-piperidyl ketone