Which of the following is the structure for 2-hexyne? 
Definitions:
Nonobviousness
Nonobviousness refers to a criterion used in patent law to determine whether an invention is sufficiently innovative to warrant patent protection, indicating it is not obvious to someone with ordinary skill in the relevant field.
Ethnographic Research
A qualitative research method focused on studying cultures and communities through direct observation, participant observation, and other immersive techniques.
Transgendered Person
An individual whose gender identity or expression differs from what is typically associated with the sex they were assigned at birth.
Variety
The quality or state of being diverse or varied, offering a wide range of different options or elements.
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