About: http://webisa.webdatacommons.org/211275207

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 R groups may be H or any organic functional group such as methyl, ethyl, propyl, butyl, and the like (CXHY).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com