Show all the pertinent absorption in the IR spectrum and their assignment

Trans-9-(2-phenylethenyl)anthracene
9-anthraldehyde
Thu Jul 27 15:22:24 2017 (GMT-04:00) 45 40 35 25 20 15 10 4000 3500 3000 2500 2000 Wavenumbers (cm-1) 1500 1000
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