About: http://webisa.webdatacommons.org/76476670

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	In formula (1), R1 is hydrogen, alkyl of 1 to 4 carbon atoms, or phenyl, and p is an integer of 1 to 4, preferably 1 or 2.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com