<http://webisa.webdatacommons.org/prov/116659531>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/307928960> .
<http://webisa.webdatacommons.org/307928960>	<http://www.w3.org/ns/prov#value>	"These each contain radicals R1 or R2 which are identical or different and are each C1 -C4 -alkyl, in particular methyl, ethyl, isopropyl or tert-butyl." .
<http://webisa.webdatacommons.org/307928960>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/307928960>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.de> .