About: http://webisa.webdatacommons.org/239093035

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) at least one of X, Y, X???, Y???, X???, and Y??? is other than H, C1-6 alkyl, halogen, CF3, O???C1-6 alkyl, NO2, and NR2;
http://www.w3.org/ns/prov#wasQuotedFrom	google.com