| http://www.w3.org/ns/prov#value | - om oxygen, sulfur, silicon, selenium, nitrogen), --CH2)s W (wherein W is nitrile, hydroxyl, azido, nitroso, alkoxy, nitro, thionitrile, halogen, alkyl sulfonyl or aryl sulfonyl and s is an integer from 1 to 6), a moiety of the formula: ##STR5##
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