About: http://webisa.webdatacommons.org/446429972

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	R32 and R33 each represent a substituent, with examples including the groups recited above as those represented by R1.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com