<http://webisa.webdatacommons.org/378389593>	<http://www.w3.org/ns/prov#value>	"In accordance with the process of this invention, impurities such as isobutylene, carbon monoxide, carbon dioxide, and the like, are not included in the methacrolein used in the second oxidation step." .
<http://webisa.webdatacommons.org/prov/102216659>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/378389593> .
<http://webisa.webdatacommons.org/378389593>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/378389593>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/457369207>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/378389593> .