| http://www.w3.org/ns/prov#value | - The ability to provide such low-color species for structures conforming to Formulae (I) and (III), above, and thus not resorcinol-based compounds, is apparently controlled through the utilization of specific types of alkoxylation catalysts, including, without limitation, rare earth salts (such as lanthanum phosphates), particular metal hydroxides (such as potassium hydroxide both alone and in the
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