Methyl esters; chemicals, namely, dimethyl sulfate; chemicals, namely, ethyl acetoacetate; chemicals, namely, methyl methacrylate; chemicals, namely, tributyl phosphate; chemicals, namely, aldehyde-ester; chemicals, namely, vinegar ester; chemicals, namely, propylene ester; chemicals, namely, butyl acrylate; chemicals, namely, ethylhexyl acrylate