About: http://webisa.webdatacommons.org/162583753

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=1 to 50, y=2 to 100, n is an integer of 2 to 100, R1 and R2 are independently H or CH3, R3 and R4 are independently CH3 or phenyl, R5 is CH2, ???CH2CH2??? or ???CH2CH(CH3)???. 9.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr