prov:value
| - wherein each R1 is an alkylene group, including linear, branched, saturated, unsaturated, cyclic, substituted, and unsubstituted alkyl groups containing at least 8 carbon atoms, such as from about 8 to about 40 carbon atoms or from about 8 to about 30 or from about 8 to about 20 carbon atoms, although the numbers can be outside these ranges, if substituted, substitutions can be (but are not limite
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