Assertion: mustard gas | /r/HasProperty | yperite
Facets:
Source sentences:
text: Sulfur Mustard (Yperite)
text: Mustard Gas (Yperite) was first used by the German Army in September 1917.
text: Mustard gas belongs to a class of organic compounds that include sulfur mustard (Yperite) and nitrogen mustard.
text: Mustard gas belongs to a class of organic compounds that include sulfur mustard (Yperite) and nitrogen mustard.