Isometheptene Mucate is a white crystalline powder having a characteristic aromatic odor and bitter taste
. It is an unsaturated aliphatic amine with sympathomimetic properties.
Dichioraiphenazone is a white, microcrystalline powder, with slight odor and tastes saline at first, becoming acrid. It is a mild sedative.
Acetaminophen, a non-salicylate, occurs as a white, odorless, crystalline powder, possessing a slightly bitter taste.
Midrin capsules contain FD&C Yellow No.