About: http://webisa.webdatacommons.org/59349680

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 preferable combination of R1, Y and X includes, for example, R1 is a hydrogen atom or a methyl group, more prefera
http://www.w3.org/ns/prov#wasQuotedFrom	google.com