1-Methyl-1-styrylpiperidinium iodide 1-Styrylpiperidine methyliodide 311-53-5 FMP-244 Piperidine, 1-styryl-, methyliodide Piperidinium, 1-methyl-1-(2-phenylethenyl)-, iodide (9CI) Piperidinium, 1-methyl-1-styryl-, iodide