SEARCH Articles Figures Tables 1-Methyl-piperidine buffer 2-Methyl-3-hydroxy-piperidine A-Methyl piperidine Analogs with C-methyl (and Other Hydrocarbon) Substituents in the Piperidine Ring L-methyl-4-phenyl-4-propionoxy-piperidine N-Methyl-3-chloromethyl-piperidine Piperidin methyl Piperidin methyl Piperidine 2-methyl-1-pentyl Piperidine, exhaustive methylation System 1-methyl piperidine