About: http://webisa.webdatacommons.org/202311302

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	R' is an aryl, benzyl, hydrocarbyl substituted aryl, hydrocarbyl substituted benzyl, secondary or tertiary alkyl or tertiary silyl group of up to 12 nonhydrogen atoms;
http://www.w3.org/ns/prov#wasQuotedFrom	google.com