C10H13O2N

from The Collaborative International Dictionary of English v.0.48
Phenacetin \Phe*nac"e*tin\, Phenacetine \Phe*nac"e*tine\, n.
   [Phenyl + acetic + -in.] (Pharm.)
   A white, crystalline compound, {C10H13O2N}, once used in
   medicine principally as an antipyretic. It is now seldom used
   because of serious side effects.

   Syn: N-(4-ethoxyphenyl)acetamide, p-acetophenetidide,
        p-ethoxyacetanilide, acetophenetidin,
        para-acetphenetidin, p-acetophenetide.
        [Webster 1913 Suppl. +PJC]
    

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