An unknown compound has the formula of C9H12. The following 1H NMR peaks were observed: Doublet at 1.22
Septet at 2.83
Multiplet at 7.09
From the data above, pick the compound below that fits the spectra data. 
Definitions:
Family Pattern
Refers to the characteristics and dynamics within a family structure, including roles, relationships, and interactions among family members.
Erikson's Theory
A developmental theory that outlines eight stages of psychosocial development, each characterized by a specific conflict that needs to be resolved.
Generativity Versus Stagnation
Generativity versus stagnation is a stage in Erik Erikson's theory of psychosocial development, occurring in middle adulthood, where individuals focus on nurturing the next generation and contributing to society at large, versus becoming self-absorbed and unproductive.
Integrity Versus Despair
A stage in Erikson's theory of psychosocial development, occurring in old age, where individuals reflect on their life and either achieve a sense of fulfillment or experience regret.
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