Acetanilide: Acetanilide,, synthetic organic compound introduced in therapy in 1886 as a fever-reducing drug. Its effectiveness in relieving pain was discovered soon thereafter, and it
MidÂ·west. A region of the north-central United States around the Great Lakes and the upper Mississippi Valley. It is generally considered to include Ohio, Indiana, Illinois, Michigan, Wisconsin, Minnesota, Iowa, Missouri, Kansas, and Nebraska. The area is known for its rich farmlands and highly industrialized centers.
The states commonly considered part of the Midwest in the United States are Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota, Missouri, Nebraska, North Dakota, Ohio, South Dakota and Wisconsin. Smaller divisions of the Midwest are the East North Central Division, West North Central Division, Great Lakes and Great Plains. Keep Learning.