Assertion: bromine's compound | /r/ObjectUse | used as sedative
Facets:
value: historically
type: TEMPORAL
Source sentences:
text: Some bromine-containing compounds were historically used as sedatives (drugs that can make people calm or sleepy).
text: Compounds of bromine have been used as sedatives, hypnotics and analgesics.
text: Some bromine-containing compounds were also once used as sedatives.
text: Some bromine-containing compounds were historically used as sedatives (drugs that can make people calm or sleepy).