1,2-Propanediol, bis(5-fluoronicotinate) 1-Methyl-1,2-ethanediyl 5-fluoro-3-pyridinecarboxylate 23586-90-5 3-Pyridinecarboxylic acid, 5-fluoro-, 1-methyl-1,2-ethanediyl ester BRN 0494715