About: http://webisa.webdatacommons.org/1468389

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.sup.5 very particularly preferably represents hydrogen, methyl, ethyl, n- or i-propyl, n-, i-, s- or t-butyl, cyclopropyl, cyclopentyl or cyclohexyl.
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com