About: http://webisa.webdatacommons.org/115970566

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	t least one of R1, R2, R3, and R4 has at least one hydroxy substituent, the molecular weight of any one of R1, R2, R3, R4, or R5 is less than or equal to about 1000 daltons, and n is a positive integer.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com