| http://www.w3.org/ns/prov#value | - Therefore, cyclic ketals or cyclic acetals obtained from hexahydric alcohols such as sorbitol, mannitol, galactitol, iditol, talitol, and allitol, or polyhydric alcohols such as erythritol, are more preferable than cyclic ketals or cyclic acetals obtained from alcohols having one ether bond such as diglycerol and ditrimethylolpropane.
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