About: http://webisa.webdatacommons.org/142876192

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	Also, R2 is a C1 -C3 alkyl group and R3 may be the same as R1 or an epoxy group having the following general structural formula (3). ##STR2##
http://www.w3.org/ns/prov#wasQuotedFrom	google.com