| http://www.w3.org/ns/prov#value | - The composition of claim 13, wherein two of R11, R12 and R13, are H or hydrocarbon groups of 1 to 4 carbons, and one is a hydrocarbon group of from 8 to 24 carbons, and R14 and R15 are either H or hydrocarbon groups of from 1 to 4 carbons while R16 is a hydrocarbon group of from 8 to 24 carbons, or R14 and R15 are hydrocarbon groups of from 8 to 24 carbons while R16 is a hydrocarbon group of from
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