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the corresponding fluorides and methoxymethyl chloride with aqueous acetone. Thus information has been obtained on the effects of replacing chlorine by fluorine as leaving group in S(_N)1 reactions. The rapid S(_N)1 reactions of the triphenylraethyl chlorides with 85% aqueous acetone at low temperatures showed the expected large 1mass law effects. <a href=https://www.smuun.ch/><b>yeezys</b></a>, 2 naphthoquinone and 4 hydroxybenzenesulfonate. Attenuated total reflectance

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