Provide the Structure That Is Consistent with the Data Below

question 72

Essay

Provide the structure that is consistent with the data below.
C₅H₁₀O₂
IR (cm^-1): 2950,1720
¹H NMR (δ): 3.6 (s,3H),2.5 (septet,1H),0.9 (d,6H)
¹³C NMR (δ): 190 (s),55 (q),40 (d),16 (q)

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