| http://www.w3.org/ns/prov#value | - up (a) as defined above or group (b) as defined above; wherein R7 is a member selected from the group consisting of hydrocarbyl groups having from about 2 to about 30 carbon atoms, and substituted hydrocarbyl groups having from about 2 to about 30 carbon atoms; wherein R1 and R6 are members independently selected from: group (a) as defined above; group (b) as defined above, or (c) hydrocarbyl grou
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