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.
In the West North Central Region, there are seven states. Minnesota, Iowa, and Missouri border three of the East North Central states. The remaining states are North Dakota, South Dakota, Nebraska, and Kansas. Only one state, Minnesota, borders a Great Lake. It is also the largest state in the Midwest. These seven states are called the Great Plains States.