About: http://webisa.webdatacommons.org/9057032

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	y hydrogen, or lower alkyl, especially methyl, or halo, especially chloro; or a tautomer thereof; or pharmaceutically acceptable salts thereof.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com