1-Butanol, 4-fluoro-, methanesulfonate (9CI) 4-04-00-00014 (Beilstein Handbook Reference) 4-Fluoro-1-butyl methanesulfonate 4-Fluorobutyl mesylate 4-Fluorobutyl methanesulfonate 4-Fluorobutyl methanesulphonate 592-61-0 BRN 1762549 ENT 50430 Methanesulfonic acid, 4-fluorobutyl ester NSC 65341