About: http://webisa.webdatacommons.org/226513517

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	E is O, S or NR31, where R31 is hydrogen, methyl, ethyl or other 1 to 6 carbon alkyl. m??? and m are the same and are typically in the range of 1 to 18 and m??? is independently in the range of 1 to 18.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca