Fluticasone propionate, the active component of FLONASE (fluticasone propionate) Nasal Spray, is a synthetic corticosteroid having the chemical name S-(fluoromethyl)6?,9-difluoro-11?-17-dihydroxy-16?-methyl-3-oxoandrosta-1,4-diene-17?-carbothioate, 17-propionate and the following chemical structure:

Zolpimist contains zolpidem tartrate, a non-benzodiazepine hypnotic of the imidazopyridine class. Chemically, zolpidem is N,N,6-trimethyl-2-p-tolylimidazo[1,2-a] pyridine-3-acetamide L-(+)tartrate (2:1). It has the following structure:

The topical corticosteroids constitute a class of primarily synthetic steroids used as anti-inflammatory and antipruritic agents. The steroids in this class include triamcinolone acetonide. Triamcinolone acetonide is designated chemically as 9-fluoro-11?, 16?, 17, 21-tetrahydroxypregna-1, 4-diene-3, 20-dione cyclic 16, 17-acetal with acetone. The structural formula is:

Nitroglycerin, an organic nitrate, is a vasodilator which has effects on both arteries and veins. The chemical name for nitroglycerin is 1,2,3-propanetriol trinitrate (C3H5N3O9). The compound has a molecular weight of 227.09. The chemical structure is:

IMITREX (sumatriptan) Nasal Spray contains sumatriptan, a selective 5-hydroxytryptamine1 receptor subtype agonist. Sumatriptan is chemically designated as 3-[2-(dimethylamino)ethyl]-N-methyl-1H-indole-5-methanesulfonamide, and it has the following structure:

Migranal (dihydroergotamine mesylate spray) ® is ergotamine hydrogenated in the 9,10 position as the mesylate salt. Migranal (dihydroergotamine mesylate spray) ® is known chemically as ergotaman-3', 6', 18-trione, 9,10-dihydro-12'-hydroxy-2'-methyl-5'- (phenylmethyl)-, (5'?)-, monomethanesulfonate. Its molecular weight is 679.80 and its empirical formula is C33H37N5O5•CH4O3S.

Lazanda (fentanyl) nasal spray is a liquid formulation of fentanyl citrate intended for intranasal transmucosal administration. The product consists of a practically clear to clear, colorless, aqueous solution of fentanyl citrate in a glass multidose container to which is attached a metered-dose nasal spray pump with a visual and audible spray counter. Each actuation is designed to deliver a spray of 100 mcL of solution containing 100 mcg or 400 mcg fentanyl base, respectively. This enables doses of 100 mcg or 400 mcg to be administered using a single spray into one nostril (1 spray) and 200 mcg or 800 mcg to be administered using a single spray into both nostrils (2 sprays).

The active component of OMNARIS Nasal Spray is ciclesonide, a non-halogenated glucocorticoid having the chemical name pregna -1,4-diene-3,20-dione, 16,17-[[R cyclohexylmethylene]bis(oxy)]-11-hydroxy-21-(2-methyl-1-oxopropoxy)-,(11?,16?)-. Ciclesonide is delivered as the R-epimer. The empirical formula is C32H44O7 and its molecular weight is 540.7. Its structural formula is as follows:

Mometasone furoate monohydrate, the active component of NASONEX (mometasone furoate nasal spray) Nasal Spray, 50 mcg, is an anti-inflammatory corticosteroid having the chemical name, 9,21-Dichloro-11?,17-dihydroxy-16?-methylpregna-1,4-diene-3,20-dione17-(2 furoate) monohydrate, and the following chemical structure: