EntityQ2122403· pop 8· linked from 7 articlesquaternarySign in to saveterm in organic chemistry used to describe degree of substitution of an atom in a moleculeConnectionsamineEntityInternational Standard Book NumberEntityorganic chemistryEntityalcoholsEntityalkaneEntityamidesEntityammonium cationEntityphosphineEntityprotein quaternary structureEntitysecondaryEntityprimaryEntitytertiaryEntityCategoriesChemical nomenclature