About: http://webisa.webdatacommons.org/342859633

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 further preferred group of compounds are those in which either R3 and R4, or R3 and R5 are other than hydrogen.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com