About: http://webisa.webdatacommons.org/238296654

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	each X2, independently, is a functional group, such as halogen, CN or SO4 ; p is 1 or 2; and m is 0, 1 or 2; or
http://www.w3.org/ns/prov#wasQuotedFrom	google.com