Meta Amino Phenol (MAP) is an organic chemical compound used primarily as an intermediate in the production of dyes, pharmaceuticals, and other specialty chemicals. It features an amino group (-NH2) and a hydroxyl group (-OH) attached to a benzene ring, making it valuable in various industrial applications, including hair dyes, antioxidants, and in the synthesis of certain drugs.

3-Hydroxydiphenylamine is an organic compound that consists of a hydroxyl group (-OH) attached to the third position of a diphenylamine structure. This compound is often used in chemical synthesis, particularly in the production of dyes and pigments. It also serves as an intermediate in the manufacturing of pharmaceuticals and other organic compounds.