| http://www.w3.org/ns/prov#value | - Preferred embodiments of the R group within the general formula above is exemplified by, but is not limited to the following: wherein n is an integer equal to or greater than 1, X is a hetero atom such as ???O???, ???S???, or a bridging group such as ???NH???, ???S(???O)???, ???SO2???, ???C(???O)???, ???C(CH3)2???, ???CH(CH3)???, ???CH(CH3)???CH2???CH(CH3)???, Also, compounds of the general formul
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