<http://webisa.webdatacommons.org/78186290>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/78186290>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/516219483>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/78186290> .
<http://webisa.webdatacommons.org/78186290>	<http://www.w3.org/ns/prov#value>	"However, it is most especially preferred that Y is H or CO2H." .