21) An organic molecule gives the following infrared spectrum and mass spectrum (M* = 154). Identify the molecule that best correlates with these spectra. 3091- 3006 2968- 2924 1589 1687 OH Relative Intensity 100- 80- 60- 40- 20- 0triterpen 50 m/z „obr gola b) CH₂ 100 111 d) 113 125 139 141 154 150 156 'H

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