SEARCH Articles Figures Tables Amines methylation with formaldehyde Dimethoxymethane formaldehyde acetal, methylal) Formaldehyde methyl methacrylate Formaldehyde, and methylation Formaldehyde-formic acid methylations with Methyl formaldehyde Methyl formaldehyde Methylation by means of formaldehyde Reductive amination methylation with formaldehyde