About: http://webisa.webdatacommons.org/221950541

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	R2 represents alkyl, especially C1-4alkyl more especially methyl, or CH2SO3M,
http://www.w3.org/ns/prov#wasQuotedFrom	google.com