KEMSTRO (baclofen orally disintegrating tablets) is a muscle relaxant and antispastic. Baclofen USP is a white to off-white, odorless or practically odorless crystalline powder. It is slightly soluble in water, very slightly soluble in methanol, and insoluble in chloroform. Its chemical name is 4-amino-3- (4-chlorophenyl)-butanoic acid. The molecular weight of baclofen is 213.66 and the empirical formula is C10H12C1NO2. The structural formula is represented below:

Kionex brand of sodium polystyrene sulfonate is a benzene, diethenyl- polymer with ethenylbenzene, sulfonated, sodium salt and has the following structural formula:

Ketorolac tromethamine is a member of the pyrrolo-pyrrole group of nonsteroidal anti-inflammatory drugs (NSAIDs). The chemical name for ketorolac tromethamine is ()-5-benzoyl-2,3-dihydro-1Hpyrrolizine- 1-carboxylic acid, compound with 2-amino-2-(hydroxymethyl)-1,3-propanediol (1:1), and the structural formula is:

The active ingredient in KAPIDEX (dexlansoprazole delayed release capsules) (dexlansoprazole) delayed release capsules is (+)-2-[(R)-{[3-methyl-4-(2,2,2-trifluoroethoxy)pyridin-2-yl] methyl} sulfinyl]-1H-benzimidazole, a compound that inhibits gastric acid secretion. Dexlansoprazole is the R-enantiomer of lansoprazole (a racemic mixture of the R- and S-enantiomers). Its empirical formula is: C16H14F3N3O2S, with a molecular weight of 369.36. The structural formula is:

Kerledex (betaxolol hydrochloride and chlorthalidone) is a combination product indicated for the treatment of hypertension. It combines the activities of betaxolol hydrochloride, a ?1-selective (cardioselective) adrenergic receptor blocking agent, with chlorthalidone, a monosulfamyl diuretic.

Ketoprofen is a nonsteroidal anti-inflammatory drug. The chemical name for ketoprofen is 2-(3-benzoylphenyl)-propionic acid with the following structural formula:

KYTRIL (granisetron hydrochloride) Injection is a serotonin-3 (5-HT3) receptor antagonist. Chemically it is endo-N-(9-methyl-9-azabicyclo [3.3.1] non-3-yl)-1-methyl-1H-indazole-3-carboxamide hydrochloride with a molecular weight of 348.9 (312.4 free base). Its empirical formula is C18H24N4OHCl, while its chemical structure is: