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594306435

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594306435(½ð±Ò+2, ·­ÒëEPI+1): лл 2011-03-07 10:27:16
The reaction during closed-loop process of Friedel-Crafts acelation  may happen in the two orthopositions (Positions A and B)of the ether linkage, therefore two kinds of reaction products (Products 3b and 3c) could be generated
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