prov:value
| - The colorant stabilizing composition of claim 32, wherein the molecule has the formula wherein if R4 is an aryl group, then R2 is a hydrogen; heterocyclic; alkyl; aryl, or a phenyl group, the phenyl group optionally being substituted with an alkyl, halo, amino, or a thiol group; and if R2 is an aryl group, then R4 is hydrogen; heterocyclic; alkyl; aryl, or a phenyl group, the phenyl group optional
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