About: http://webisa.webdatacommons.org/326494367

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The radicals R1, R2, R3, R4, R5, R6 and R7 are each for example methyl, ethyl, propyl, isopropyl, butyl, isobutyl or sec-butyl.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com