Assertion: benzoic acid's compound | /r/HasProperty | difiicult to remove
Facets:
value: consequently
type: TEMPORAL
Source sentences:
text: The impurities include, for example, benzaldehyde, benzyl alcohol, benzyl esters, and related compounds which have vapor pressures or solubilities close to those of the desired benzoic acid and are consequently difiicult to remove from the product in substantial entirety by any of the known procedures.