prov:value
| - wherein A is ???COO???CHZ-; B is ???COO???CHY???, ???COO???CH2CH2CH2CH2CH2??? or ???COO???CH2CH2OCH2; R is a hydrogen atom, or acetyl, benzoyl, decanoyl, palmitoyl, methyl, or ethyl group; Z and Y each are a hydrogen atom, or methyl, or phenyl group; M is H, Na, K, or Li; n is an integer from 1 to 30, and m is an integer from 0 to 20.
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