| http://www.w3.org/ns/prov#value | - Examples of such groups are hydrocarbyl groups such as methyl, ethyl, propyl, hexyl, dodecyl, phenyl, tolyl, etc.; unsaturated hydrocarbyl groups such as vinyl, eta1 -allyl, eta1 -butenyl, eta1 -cyclohexenyl; the hydrocarbyl derivatives of a Group IVA element such as trimethylgermyl, triphenylstannyl, trimethylsilyl, and triphenyllead, etc.; and organic groups such as formyl, acetyl, propionyl, ac
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