0光不精与 Industrial Importance Acetone and methyl ethyl ketone are important solvents. Formaldehyde used in polymers like Bakelite®.胶木 Flavorings and additives like vanilla, cinnamon,artificial butter. Industrial Importance Acetone and methyl ethyl ketone are important solvents. Formaldehyde used in polymers like Bakelite  . Flavorings and additives like vanilla, cinnamon, artificial butter. 胶木