About: http://webisa.webdatacommons.org/257793965

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	(7) R4 is H, C1 -C2 alkyl, C1 -C2 alkoxy, CN, NO2, CF3 or halogen, preferably H, C1 -C2 alkyl, C1 -C2 alkoxy, CF3 or halogen, especially H, methyl, methoxy, chlorine or fluorine, more especially H;
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au