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  1. Methyl Group vs. Methylene Group - What's the Difference?

  2. Methylene (CH2) - Structure, Molecular Mass, Properties and …

  3. Methyl Group vs. Methylene Group: What’s the Difference?

  4. Methylene (compound) - Wikipedia

  5. Methyl group - Wikipedia

  6. Methylene group - Wikipedia

  7. Methyl Group - Structure, Behaviour, Properties and Function

  8. What is the Difference Between Methyl and Methylene Group?

  9. Methylene | CH2 | CID 123164 - PubChem

  10. Methylene: Learn Definition, Structure, Properties, Types & Uses