About: http://webisa.webdatacommons.org/13052771

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	R4 and R7 are a C1-C30alkylene or a radical of the formula ???(CnH2n???O???)m???R8;
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk