| http://www.w3.org/ns/prov#value | - Active hydrogen-containing compounds, which are origins of the above R59, are not particularly restricted, but includes, among others, alcohols such as methanol, ethanol, n-butanol, i-butanol, t-butanol, n-octanol, 2-ethylhexanol, benzyl alcohol, ethylene glycol, diethylene glycol, polyethylene glycol, propylene glycol, dipropylene glycol, polypropylene glycol, propanediol, tetramethylene glycol,
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