| http://www.w3.org/ns/prov#value | - ndpolypropylene glycol, having an average molecular weight of 200, 300, 400, 600 or 1,000; alkylene glycols whose alkylene groups have 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 ether acetates such as polyethylene glycol monomethyl ether acetate; glycerol; lo
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