About: http://webisa.webdatacommons.org/117318051

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 compounds of claim 3 wherein each of A, B, X and Y are --CH2 --PO3 R2 and R is a hydrogen atom or an alkali or an alkaline earth metal atom.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au