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The organic phase was concentrated under reduced pressure and the resulting residue was purified by flash column chromatography on silica gel [pentane:Et 2 O (10:3)] to produce ethyl 2-oxobutyrate (60 mg, 23%)

It inhibits the production of tyrosinase, a chemical that contributes to melanin production

Major Takeaways 1 About 150 Americans die a year by accidentally taking too much acetaminophen, the active ingredient in Tylenol, federal data from the CDC shows

8(3): 6015 Acknowledgements This study was sponsored by Abbott Laboratories, who also employ the authors

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