About: http://webisa.webdatacommons.org/86433477

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	These are exemplified in compounds such as 1-hydroxyethylidene-1,1-diphosphonic acid and poly(methyleneamino)-phosphonic acids such as amino(trimethylenephosphonic acid), and diethylenetriaminepenta (methylenephosphonic acid).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com