Assertion: benzoic acid | /r/ObjectUse | used as expectorant
Facets:
value: in the early 20th century
type: TEMPORAL
Source sentences:
text: Benzoic acid was used as an expectorant, analgesic, and antiseptic in the early 20th century.
text: Benzoic acid was used as an expectorant, analgesic, and antiseptic in the early 20th century.