An unknown compound X has the empirical formula C3H6O and a molecular ion in its mass spectrum at 116.Compound X shows no IR absorption at 3200-3600 cm-1 but shows a peak at 1700 cm-1.The 1H NMR spectral data of X is shown below.What is the structure of compound X? 
Definitions:
Retirement Models
Various theories or plans designed to guide individuals in how to save, invest, and distribute their finances for retirement.
Retirement
The act of leaving one's job or career and ceasing to work, typically due to reaching a certain age or for health reasons.
Grandmother Roles
The various familial and societal expectations and functions traditionally assigned to grandmothers, including caregiving and cultural transmission.
Second Shift
The phenomenon where individuals, especially women, complete a day of paid work only to come home to a "second shift" of unpaid household labor and caregiving responsibilities.
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