About: http://webisa.webdatacommons.org/227367052

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	yl-N-piperazinyl or N???hydroxyethoxyethyl-N-piperazinyl; and L2 is lower alkylene and R2 is H or L2 is a bond and R2 is lower alkyl. 2.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com