| http://www.w3.org/ns/prov#value | - In describing Z as an activating group, what is meant is a group which will activate an olefin to which it is attached toward nucleophilic addition by, e.g., CS2 or COS derived intermediates. (This is reflective of a method by which this material can be prepared, by reaction of an activated olefin with CS2 and an amine.) The activating group Z can be, for instance, an ester group, typically but
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