<http://webisa.webdatacommons.org/prov/130982059>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/100091924> .
<http://webisa.webdatacommons.org/prov/333745315>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/100091924> .
<http://webisa.webdatacommons.org/100091924>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/100091924>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/465350672>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/100091924> .
<http://webisa.webdatacommons.org/100091924>	<http://www.w3.org/ns/prov#value>	"and R2 is a hydrogen atom or a methyl group and X is a halogen, nitroxide or sulfide group or a cobalt porphyrin complex." .