About: http://webisa.webdatacommons.org/168093752

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	Ribo-type nucleobases include pentosefuranosyl containing nucleobases wherein the 2??? carbon is a methylene substituted with a hydroxyl, alkyloxy or halogen.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com