| http://www.w3.org/ns/prov#value | - Mendeleyev Periodic Table Group III organometallic compound, MR in which 16 M is a Group III element and R is selected from the radical groups consisting of hydrocarbyl and hydrogen, said hydrocarbyl radicals having from l20 carbon atoms per group, and wherein at least one radical group of said compound is hydrocarbyl. 28.
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