prov:value
| - bstituted, branched or unbranched, alkyl, aromatic, or cyclic chain, optionally containing halogen, ester, ether, amine or amide functionalities; R2 is a group selected from the group consisting of a moiety containing a carboxylic acid group, primary amine, secondary amine, tertiary amine, or mixtures thereof; and R3 is a C1-C18 substituted or unsubstituted, branched or unbranched, alkyl, aromatic
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