About: http://webisa.webdatacommons.org/100488485

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	The preferred compounds are s-triazines and pyrimidines substituted by active leaving groups, such as halogen atoms, prefearably fluoro and chloro, quternary ammonium groups or sulfo (--SO3 H).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com