Assertion: tabun | /r/AtLocation | the chemical literature
Facets:
Source sentences:
text: He stated that Tabun had appeared in the chemical literature as early as 1902, that I.G. Farben had patented Tabun in 1937, and that since 1939, no mention of phosphorus insecticide chemistry had appeared in the scientific literature of the Allied nations.
text: He stated that Tabun had appeared in the chemical literature as early as 1902, that I.G. Farben had patented Tabun in 1937, and that since 1939, no mention of phosphorus insecticide chemistry had appeared in the scientific literature of the Allied nations.
text: He stated that Tabun had appeared in the chemical literature as early as 1902, that I.G. Farben had patented Tabun in 1937, and that since 1939, no mention of phosphorus insecticide chemistry had appeared in the scientific literature of the Allied nations.
text: He stated that Tabun had appeared in the chemical literature as early as 1902, that I.G. Farben had patented Tabun in 1937, and that since 1939, no mention of phosphorus insecticide chemistry had appeared in the scientific literature of the Allied nations.
text: He stated that Tabun had appeared in the chemical literature as early as 1902, that I.G. Farben had patented Tabun in 1937, and that since 1939, no mention of phosphorus insecticide chemistry had appeared in the scientific literature of the Allied nations.