prov:value
| - R2[(CHx)mCHCO2H]n(CHy)oR3???(II) wherein connection with formula (II), R2 and R3 are the same or different independently and may be independently hydrogen or oxygen or an organic group including alkyl, and/or aryl, mercapto, thio or dithiorganic moieties, hydroxy, hydroxyalkyl, alkenyl, or alkoxy, alkoxyalhyl, or aromatic when employed in this formula (II), x and y are numerically either 1 or 2, m
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