Assertion: nerve agent | /r/HasProperty | developed by the soviet union
Facets:
value: in the 1970s
type: TEMPORAL
value: in 80s
type: TEMPORAL
value: in 1980s
type: TEMPORAL
Source sentences:
text: The name, meaning “newcomer”, refers to a group of nerve agents developed by the Soviet Union in the 1970s and 1980s to elude international restrictions on chemical weapons.
text: Hide Novichok refers to a group of nerve agents developed by the Soviet Union in the 1970s and 80s to elude international restrictions on chemical weapons.