| http://www.w3.org/ns/prov#value | - R1 is an alkylene group of the formula ???CnH2n(CHOH)0CmH2m???, wherein n and m are independently 1 to 6 and o is 0 or 1, and wherein the alkylene is optionally interrupted by a caternary oxygen, nitrogen, or sulfur atom as described above.
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