About: http://webisa.webdatacommons.org/237660949

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	esent in said hindered amine, at least one of R1, R2, R3, and R4 is an alkyl group or an electron donating group; and if R3, R4 and one of R1 or R2 is hydrogen, the other R1 or R2 is an alkyl group having at least 2 carbon atoms. 7.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au