| http://www.w3.org/ns/prov#value | - These include aromatic hydrocarbons, such as benzene, toluene and the xylenes; ethers, such as tetrahydrofuran, diethyl ether and the commonly available ethylene glycol and polyethylene glycol monoalkyl and dialkyl ethers, including the Cellosolves??? and Carbitols???; alkyl esters of acetic, propionic and butyric acids; mixed ester-ethers, such as monoalkyl ether-monoalkanoate esters of ethylene
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