About: http://webisa.webdatacommons.org/150647303

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	Preferred acid groups are groups other than phenolics, such as carboxylic acids (???COOH).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com