| http://www.w3.org/ns/prov#value | - ucleus which can be phenyl or a polycarbocyclic group having condensed or separate phenyl rings; each Ar group is either connected through an oxygen atom to a phosphite group or contains a free phenolic hydroxyl group, or both; and p is a number, one or greater and preferably from one to four, which defines the number of Ar groups linked to Y. The remaining groups of the phosphite are selected fro
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