Assertion: mercury's compound | /r/ObjectUse | used as antifungal agents
Facets:
value: in both interior and exterior paints
type: OTHER
value: up until 1991
type: TEMPORAL
Source sentences:
text: Up until 1991, phenylmercuric compounds were used as antifungal agents in both interior and exterior paints, but this use was also banned because mercury vapors were released from these paints.