About: http://webisa.webdatacommons.org/378379342

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	nd are hydrogen or alkyl groups containing from 1 to about 6 carbon atoms and n is a whole number from 1 to about 10.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com