Below is the mass spectrum of an unknown hydrocarbon. In addition, this hydrocarbon shows characteristic absorption at 2100 cm−1 in its IR spectrum. Give the structure of this unknown. 
(Spectrum obtained from: SDBSWeb: http://www.aist.go.jp/RIODB/SDBS/)
Definitions:
Overall Picture
A comprehensive or holistic view of a situation, considering all factors and elements involved.
Pre-Employment Testing
The process of screening job applicants through various types of tests to determine their suitability for a position before hiring them.
Patient Identification
The methods and systems used to verify the identity of patients in healthcare settings to ensure they receive appropriate care and treatments.
Blood Collection
The procedure of obtaining blood samples from a person for diagnostic or treatment purposes.
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