About: http://webisa.webdatacommons.org/447807582

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Among the compounds that are stated to be difficult to convert are included carboxylic acids and anhydrides, carbohydrates such as starch and sugars, lower glycols, glycerin, and other polyols and short chain aldehydes.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au