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Substituent on phenyl ring. {:((A)-CH_(2)-CH_(3),(P) o//p-"directors"),((B)-O-overset(O)overset("||")(S)-CH_(3),(Q) "meta directors"),((C)-NH-overset(O)overset("||")(C)-CH_(3),(R)" Activating group"),((D)-underset(O)underset("||")(S)-CH_(3),(S)" Deactivating group"):} |
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Answer» <P> |
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