About: http://webisa.webdatacommons.org/430770215

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	???N(H)m(R4)4???m (In the formula, R4 represents an alkyl group of 1 to 3 carbon atoms, or a hydroxyalkyl group, and m is an integer of 0 to 4.))
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au