About: http://webisa.webdatacommons.org/254425465

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	A group of particularly useful carboxylic acids are those of the formulae: ##STR18## where R*, X, Ar*, m and a are as defined in Formula XIII and p is an integer of 1 to 4, usually 1 or 2.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com