About: http://webisa.webdatacommons.org/407504245

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	When D is tert-butyl or other group which would cause steric hindrance, only one or two of such groups are on the phenyl ring and such groups, if more than one, would not be in the 2 and 6 positions of the phenyl ring.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com