Assertion: phosgene | /r/HasProperty | potent killing agent
Facets:
Source sentences:
text: Phosgene was a potent killing agent, deadlier than chlorine.
text: Phosgene was up to six times as potent than chlorine and did not suggest any urgent symptoms that was associated with the coughing and discomfort that chlorine did.
text: Phosgene was a potent killing agent, deadlier than chlorine.
text: Phosgene was a potent killing agent, deadlier than chlorine.