About: http://webisa.webdatacommons.org/415016259

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	a group B--(CH2)q -- or a substituted group B--(CH2)q --, where q is an integer equal to 0, 1, 2 or 3 and B represents a radical selected from naphthyl, 1,3-dioxane, pyran, and benzopyran,
http://www.w3.org/ns/prov#wasQuotedFrom	google.com