About: http://webisa.webdatacommons.org/197477321

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	Linkers are typically comprised of an atom such as oxygen or sulfur, a unit such as ???NH???, ???CH2???, ???CO???, or a chain of atoms, such as an alkylidene chain.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com