| http://www.w3.org/ns/prov#value | - zoylmethane derivative, having formula (I) or (II). ##STR6## wherein each R1, same or different, is an alkyl group having 1 to 22 carbon atoms, or a diol having the structure HO--R2 --OH, or a polyglycol having the structure HO--R3 --(--O--R2 --)m --OH, and, wherein R2 and R3, same or different, are each an alkylene group, straight chain or branched, having 1 to 6 carbon atoms, wherein m and n are
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