According to IUPAC nomenclature rules, how are multiple identical complex (branched) substituents in — IUPAC and Nomenclature Chemistry Question

💡 Solution & Explanation

For simple substituents, di, tri, tetra are used. For complex (substituted) substituents, the prefixes bis, tris, tetrakis, etc., are used to avoid ambiguity, and the complex substituent's name is placed in parentheses.