About: http://webisa.webdatacommons.org/378227133

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	In particular, X can be moieties such as O, NR20, S, SO and SO2 where Y6 is the same as that defined by Y1, R12 and R17 are the same as defined above i.e., H, C1-6 alkyls, branched alkyls, aryls, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com