Assertion: benzodiazepine | /r/HasProperty | introduced into the market
Facets:
value: as librium
type: OTHER
value: in 1960
type: TEMPORAL
Source sentences:
text: The first benzodiazepine was patented in 1959 (patent application 1958), and it was finally introduced into the market in 1960 as Librium (chlordiazepoxide).