| http://www.w3.org/ns/prov#value | - hydrocarbons such as benzene, toluene, xylene and the like, or ethers such as diethyl ether, dibutyl ether, methyl-tert-butyl ether, tetrahydrofuran, dioxane, anisole, diphenyl ether and ethyl-phenyl ether, as well as halogenated solvents such as
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