Select the correct structure for the IUPAC names given below:

Part 1. 4-methylheptane Choose a Compound Compound A Compound B Compound C Compound D Compound E Compound F Compound G Compound H Compound I Compound J Compound K Compound L Part 2. 2,4-dimethylhexane Choose a Compound Compound A Compound B Compound C Compound D Compound E Compound F Compound G Compound H Compound I Compound J Compound K Compound L Part 3. 2,3-dimethylpentane Choose a Compound Compound A Compound B Compound C Compound D Compound E Compound F Compound G Compound H Compound I Compound J Compound K Compound L Part 4. 2,2-dimethylhexane Choose a Compound Compound A Compound B Compound C Compound D Compound E Compound F Compound G Compound H Compound I Compound J Compound K Compound L Part 5. 2-ethyl-1,1,3,3-tetramethylcyclopentane Choose a Compound Compound A Compound B Compound C Compound D Compound E Compound F Compound G Compound H Compound I Compound J Compound K Compound L Part 6. 3-ethyl-2-methylpentane Choose a Compound Compound A Compound B Compound C Compound D Compound E Compound F Compound G Compound H Compound I Compound J Compound K Compound L