Mecamylamine Hydrochloride (200 mg)

Mecamylamine Related Compound A (10 mg) (N,1,7,7-tetramethyl bicyclo [2.2.1] heptan-2-amine hydrochloride)

Mechlorethamine Hydrochloride (100 mg) (International Restricted Sales Item)

Meclizine Hydrochloride (500 mg)

Meclizine Related Compound A (15 mg) (4-Chlorobenzhydrol)

Meclizine Related Compound B (15 mg) (1-[(4-Chlorophenyl)(phenyl)methyl]-4-(2-methylbenzyl)piperazine dihydrochloride monohydrate)

Meclocycline Sulfosalicylate (300 mg)

Meclofenamate Sodium (500 mg)

Medroxyprogesterone Acetate (200 mg)

Medroxyprogesterone Acetate Related Compound A (25 mg) (6alpha-Methyl-3,20-dioxopregnan-17-yl acetate)