| http://www.w3.org/ns/prov#value | - reina, b and c are methyl, ethyl, or benzyl (usually not more than one benzyl group being present), and wherein X is halide such as chloride, bromide or iodide, methylsulfate or ethylsulfate and quaternary ammonium salts such as Hyamine 10X (diisobutycresoxy ethoxyethyl dimethylbenzyl ammonium chloride monohydrate).Examples of nonionic surfactants include polyethyleneoxy ethers of alkylphenols, al
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