An unknown compound has the formula of C9H12.The following 1H NMR peaks were observed: Doublet at Δ 1.22
Septet at Δ 2.83
Multiplet at Δ 7.09
From the data above,pick the compound below that fits the spectra data. 
Definitions:
Second Generation
Typically refers to individuals born in a country to parents who immigrated, often experiencing a blend of cultural influences from their heritage and their country of birth.
Third Generation
In technology, often refers to the third iteration or version of a product or system, showing advancement and improvements over previous generations.
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The achievement of desired financial and non-financial objectives in a business venture, often measured by growth, profit, and market share.
Business Finances
The management of a company's money, including budgeting, investing, and financial reporting.
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