| http://www.w3.org/ns/prov#value | - umoxane wherein (C5 R'm) is a cyclopentadienyl or substituted cyclopentadienyl, each R' which can be the same or different is hydrogen or a hydrocarbyl radical such as alkyl, alkenyl, aryl, alkylaryl, or arylakyl radicals having form 1 to 20 carbon atoms or two carbon atoms are joined together to form a C4 -C6 ring, R is a C1 -C4 alkylene radical, a dialkyl germanium or silicone, or an alkyl phos
|