<http://webisa.webdatacommons.org/prov/166009444>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/86483314> .
<http://webisa.webdatacommons.org/86483314>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/86483314>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/86483314>	<http://www.w3.org/ns/prov#value>	"when Y is oxygen or sulfur in Formula 26 or 27, W is a covalent bond, T is oxygen and o is the integer 1, at least one R4 or R4??? must be ???OH, ???NO2 or ???CH2ONO2 or R4 and R4??? taken together with the carbon atom to which they are attached are a cycloalkyl group or a heterocyclic ring; and" .
<http://webisa.webdatacommons.org/prov/95107607>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/86483314> .