| http://www.w3.org/ns/prov#value | - R1 is a monovalent residue of a substituted or unsubstituted hydrophobe compound; each R2 is the same or different and is a substituted or unsubstituted divalent hydrocarbon residue; R3 is a substituted or unsubstituted divalent hydrocarbon residue; and z is a value of 0 to 150. 7.
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