About: http://webisa.webdatacommons.org/329500704

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	X2d represents a methylene group or a substituted methylene group (wherein said substituent is a group selected from Substituent group ??4, or two of said substituents may together form an ethylene group)]; and,
http://www.w3.org/ns/prov#wasQuotedFrom	google.com