prov:value
| - where x and n are chain lengths, i.e., 1 or greater, and n is preferably about 1 to about 12, R is any branched or linear alkyl group having from about 1 to about 20 carbon atoms, preferably about 1 to about 12 carbon atoms, a phenyl group, a cyclic group, an isopropyl group, a propane nitrile group, or mixture thereof, R1 is a linear or branched alkyl group having about 1 to about 36 carbon atoms
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