New Drug Approvals

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NMR SpectrumThe proton NMR has three peaks; a singlet at  2.2 (3H), and a singlet at  10 (1H) and two doublets centered around  7.6. The doublets centered at  7.6 are in the aromatic region; the fact that two doublets are observed (2H each) suggests a 1,4-disubstituted aromatic compound.

The peak at  2.2 is in the region for a methyl group adjacent a mildly electronegative group. The singlet at  10 is in…

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