4(5H)-Thiazolone, 5-(4-fluorophenyl)-2-(4-methyl-1-piperazinyl)- 5-(4-Fluorophenyl)-2-(4-methyl-1-piperazinyl)-4(5H)-thiazolone 50871-37-9 LA 1451 N-Methylpiperazino-2 p-fluorophenyl-5 thiazolinone-4 [French]