About: http://webisa.webdatacommons.org/263229626

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	R3 is a methyl group, an ethyl group, a 2-propyl group, a 2-methyl-2-propyl group, a trifluoromethyl group, a 2,2,2-trifluoroethyl group, a methoxy group, a fluoro group or a chloro group;
http://www.w3.org/ns/prov#wasQuotedFrom	google.com