Which functional group is not present in this molecule? 
Definitions:
Alkenes
Hydrocarbons that contain at least one double bond between carbon atoms, characterized by the formula CnH2n.
Boiling Points
The temperature at which a substance transitions from the liquid phase to the gas phase, determined by intermolecular forces.
Molecular Weight
The sum total of the atomic weights of all the atoms in a molecule, representing the mass of a molecule compared to 1/12th the mass of carbon-12 atom.
Major Organic Product
Refers to the principal product resulting from an organic chemical reaction, often the desired compound in synthetic chemistry pathways.
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