| http://www.w3.org/ns/prov#value | - thylene glycol and polypropylene glycol; alkylene glycols the alkylene group of which has 2 to 6 carbon atoms, such as ethylene glycol, propylene glycol, butylene glycol, triethylene glycol, 1,2,6-hexanetriol, thiodiglycol, hexylene glycol and diethylene glycol; lower alkyl ethers of polyhydric alcohols, such as glycerin, ethylene glycol monomethyl (or monoethyl) ether and diethylene glycol monome
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