About: http://webisa.webdatacommons.org/386348759

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	d a mono(nitro)-mono(allyl)phenyl; and R4 is independently selected from a hydrogen and a lower alkyl group, such as a methyl group and an ethyl group.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr