Word: hochst
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...identifying the offending poison. Though nearly 50 German laboratories were reportedly making tests, it was the Dutch who first isolated the killer. The substance, they said, was a bug-paralyzing insecticide called endosulvan and marketed as Thiodan. A sulfurous acid ester, endosulvan is described by its manufacturers, the Hochst chemical works just west of Frankfurt, as harmless to warm-blooded animals, including humans, even though one microgram (less than one three-millionth of an ounce) in a quart of water is enough to kill coldblooded fish...