Refrigerants, namely, refrigerants for compressor of air conditioners and medical equipment; chemicals for industrial purposes; acids, namely, phosphoric acid; alkalies; bases for chemical preparations, namely, water soluble bases for use in chemical preparations; salts from earth metals for chemical preparations; citric acid for industrial purposes; benzene derivatives for use as preservatives in chemical preparations; propyl alcohol; furfural residue from corn cobs, namely, cellulose byproducts derived from the manufacturer of furfural and used in the manufacture of plywood; methyl esters, namely, phenylacetate, ethyl ester, propyl ester, vinyl acetate, acrylic ester, oxalate, sebacate, lactate, tartrate, citrate; gluconate, dimethyl phosphite, diethyl phosphite, trimethyl phosphite, triethyl phosphate, non-metallic inorganic acid ester, lysine ester, amino acid, phospho-aminolipid, meprobamate, thiocarbamate; surface-active chemical agents for scientific and chemical preparations; ketones; aniline; caprolactam for use in scientific and chemical preparations