About: http://webisa.webdatacommons.org/212543922

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	From a viewpoint of ease of production, it is especially preferable that R25 and R26 each are a hydrogen atom, a methoxy group, an ethoxy group, an acetoxy group or a chlorine atom.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com