About: http://webisa.webdatacommons.org/391653147

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	Suitable leaving groups include, for example, halogens, such as bromo or iodo, and sulfonates, such as tosylate, mesylate, or trifluoromethane sulfonate (triflate).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au