About: http://webisa.webdatacommons.org/286809010

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	Isolated in 1972 from an Ethiopian shrub, maytansine showed anti-cancer promise in 1970s animal studies, prompting the National Cancer Institute to spend almost a decade testing it in patients with various kinds of tumors.
http://www.w3.org/ns/prov#wasQuotedFrom	xconomy.com