prov:value
| - or a alkyl-, aryl-, or arylalkyl-substituted unsaturated aliphatic ring which, inclusive of J, has either five or six ring members, R12 and R13 are each independently a hydrogen atom or an alkyl group, J is a single bond, an unsubstituted or a alkyl-, aryl-, or arylalkyl-substituted 1,1-alkylene group; an unsubstituted or a substituted 1,1-cycloalkylene group; an oxygen atom; or a sulfur atom, K i
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