prov:value
| - As the polyols composing the ester residue Q, there are, for example, polyols such as ethylene glycol, 1,2-propylene glycol, 1,4-butanediol, 1,6-hexanediol, trimethylolpropane, trimethylolethane, 1,2,6-hexanetriol, glycerine, pentaerythritol or sorbitol, etc., and polyether polyols such as diethylene glycol, triethylene glycol, tetraethylene glycol, decaethylene glycol, tetradecaethylene glycol, p
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