prov:value
| - aving 1 to 20 carbon atoms, alkylene having 2 to 20 carbon atoms or CN Z is a hydrogen, halogen, CN, --OR, COOR, NO2, a halogen substituted or unsubstituted alkylene or alkenyl having 1 to 20 carbon atoms, a halogen substituted or unsubstituted oxyalkylene or oxyalkenyl having up to 20 carbon atoms, a halogen substituted or unsubstituted thioalkylene or thioalkenyl having up to 20 carbon atoms, a
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