(bound form) amino; an amino group consisting of one nitrogen atom and two hydrogen atoms

methanoic acid; the simplest carboxylic acid, naturally occurring in the stings of ants and bees, used widely in the leather and dye industries

A type of organic compound formed by the reaction of an alcohol and an acid with the loss of water. Low molecular weight esters are typically fragrant liquids used as solvents or flavorings, while high molecular weight esters are solids or thick liquids found in fats and oils.

kind; type; class; category; group

a substance formed from two or more elements that are chemically combined in a fixed ratio