About: http://webisa.webdatacommons.org/273429268

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	(1) when R1, R2, R3, R4, and R5 are H, and R7 is a bond then R6 is not a C1-C6, C9 or C10 alkyl;
http://www.w3.org/ns/prov#wasQuotedFrom	google.es