please help me to find a molecular formula and structure. Thanks

Mass Spectrum Hypothetical Problem #3 100 - --000 1H NMR Spectrum 6H doublet 80- M (74) = 100% M+1 (75) = 4.52 M+2 (76) = 0.28 2H doublet 60 Relative Intensity 1H 40 singlet 1H 9 peaks 20 TI 90 10 20 30 40 60 70 80 11 10 9 B 2 6 1 0 50 m/z mm Infrared Spectrum 13C NMR Spectrum 100 m 2931 cm 1 = - 1042 cm 3000 ISO 1000 1890 BEVEREIRO 200 180 160 140 120 100 80 0 60 20 40 DS-23-552 opm 3347 cm 1