<http://webisa.webdatacommons.org/prov/95107607>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/177703569> .
<http://webisa.webdatacommons.org/prov/166009444>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/177703569> .
<http://webisa.webdatacommons.org/177703569>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/177703569>	<http://www.w3.org/ns/prov#value>	"when Y is oxygen or sulfur in Formula 1, and T is oxygen, 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;" .
<http://webisa.webdatacommons.org/177703569>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.fr> .