About: http://webisa.webdatacommons.org/17124247

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	R4 is selected from the group consisting of H, lower alkyl, acyl, ##STR6## and (CH2)p COO(CH2)q CH3 wherein p is an integer from 0 to 4 and q is an integer from 0 to 4;
http://www.w3.org/ns/prov#wasQuotedFrom	google.es