Determine the molecular structure of this from the given IR, NMR, and Mass Spec data? Thank you!

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4000 100 80 60 40 20 IR Spectrum (KBr disc) % of base peak him 40 exchanges with D₂O 10 13C NMR Spectrum (100.0 MHz, CDC), solution) 3000 DEPT CH₂ CH₂ CH www proton decoupled 43 ¹H NMR Spectrum (400 MHz, CDCI, solution) 11.0 10.0 I 9 200 80 120 2000 121 I 8 1766 v (cm) 160 138 m/e 160 I 7 1685 1 1600 M+= 180 200 I 6 120 1 1200 14 8.5 8.0 7.5 expansion 240 Mass Spectrum 1 1 800 5 CgH8O4 280 solvent T 80 7.0 ppm 1 4 I I 3 Problem 97 UV Spectrum max 235 nm (log10€ 4.1) max 265 nm (log₁08 3.0) 40 1 2 solvent: ethanol 0 1 8 (ppm) TMS 1 1 0 8 (ppm) 4000 100 80 60 40 20 IR Spectrum (KBr disc) % of base peak him 40 exchanges with D₂O 10 13C NMR Spectrum (100.0 MHz, CDC), solution) 3000 DEPT CH₂ CH₂ CH www proton decoupled 43 ¹H NMR Spectrum (400 MHz, CDCI, solution) 11.0 10.0 I 9 200 80 120 2000 121 I 8 1766 v (cm) 160 138 m/e 160 I 7 1685 1 1600 M+= 180 200 I 6 120 1 1200 14 8.5 8.0 7.5 expansion 240 Mass Spectrum 1 1 800 5 CgH8O4 280 solvent T 80 7.0 ppm 1 4 I I 3 Problem 97 UV Spectrum max 235 nm (log10€ 4.1) max 265 nm (log₁08 3.0) 40 1 2 solvent: ethanol 0 1 8 (ppm) TMS 1 1 0 8 (ppm)