👉 The term "epimeral" is a molecular concept that describes a molecule that has an extra electron on its central atom. This extra electron can be used to form a covalent bond with other atoms in the molecule, creating a new molecular structure. The chemical properties of this compound are similar to those of a simple ester, but it is more stable and less reactive than an ester. For example, if we have a monomeric molecule that has a central atom with one electron