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The four crystallographically independent molecules
present in the unit cell of N-[2-(7-methoxy-l-naphthyl)-
ethyl]acetamide, C15H17NO2, are very similar; the naphthalene
ring is planar, the methoxy substituent is staggered
and the side chain is oriented so that the amide and aromatic
groups are approximately parallel. This conformation
of the longer side chain is different from the fully
extended conformation observed in the neurohormone
melatonin.

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