About: http://webisa.webdatacommons.org/77267288

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	X and X11 represent hydrogen; or X1 or X11 is a bond; or X and X1 represent O or NO(CH2)pAm;
http://www.w3.org/ns/prov#wasQuotedFrom	google.com