An unknown compound with the molecular formula C4H7N produces the IR spectrum shown below.What is the most likely identity of the unknown compound? 
Definitions:
Econometrics
The application of statistical and mathematical methods in the field of economics to test hypotheses and forecast future trends.
Economic Theory
A set of principles and frameworks for analyzing how resources are distributed and consumed, and how economies function.
Preliminary Reading
The initial reading conducted on a topic, often before a detailed study, to gain a basic understanding or overview of the subject.
Thesis Statement
A concise summary of the main point or claim of an essay or research paper, usually one sentence that presents the author's argument or central point.
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