About: http://webisa.webdatacommons.org/242534833

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	In the general formula (X), R10 and R11 are each independently a hydrogen atom or an alkyl group; R12 is ???(CH2)x (where x is 0 to 1), -0-(CH2)y (where y is 1 to 2) or a phenylene group; and M is a hydrogen atom or an alkali metal.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com