About: http://webisa.webdatacommons.org/71199170

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	Deprotonated molecules are considered as fragments.Although reproducibility or precision is a key figure of merit in MS, there is no agreed format for quoting it.
http://www.w3.org/ns/prov#wasQuotedFrom	nerc.ac.uk