Provide a suitable name for each of the following structures (give both a systematic name and a common name if possible).

• A. (i): 2-bromo-3-methylpentanoic acid or α-bromo-β-methylvaleric acid (common name)
  (ii): (Z)-1-carboxylic-2,3-dimethylhex-2-ene
  (iii): ortho-dibromobenzoic acid
• B. (i): 2-bromo-3-methylpentanoic acid or α-bromo-β-methylvaleric acid (common name)
  (ii): (E)-3,4-dimethylhept-3-enoic acid
  (iii): 5,6-dibromobenzoic acid
• C. (i): 2-bromo-3-ethylbutanoic acid or α-bromo-β-ethylvaleric acid (common name)
  (ii): (Z)-3,4-dimethylhept-3-enoic acid
  (iii): ortho-dibromobenzoic acid
• D. (i): 2-bromo-3-methylpentanoic acid or α-bromo-β-methylvaleric acid (common name)
  (ii): (Z)-3,4-dimethylhept-3-enoic acid
  (iii): 2,3-dibromobenzoic acid

Answer: (D)