The active component of FLOVENT DISKUS (fluticasone propionate) 50 mcg, FLOVENT DISKUS 100 mcg, and FLOVENT DISKUS 250 mcg is fluticasone propionate, a 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:

femhrt« (norethindrone acetate/ethinyl estradiol tablets) is a continuous dosage regimen of a progestin-estrogen combination for oral administration.

FLOXIN« (ofloxacin tablets) Tablets is a synthetic broad-spectrum antimicrobial agent for oral administration. Chemically, ofloxacin, a fluorinated carboxyquinolone, is the racemate, (▒)-9-fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid. The chemical structure is:

Fingolimod is a sphingosine 1-phosphate receptor modulator. Chemically, fingolimod is 2-amino-2-[2-(4-octylphenyl)ethyl]propan-1,3-diol hydrochloride. Its structure is shown below:

FLOXIN« Otic (ofloxacin otic) solution 0.3% is a sterile aqueous anti-infective (anti-bacterial) solution for otic use. Chemically, ofloxacin has three condensed 6-membered rings made up of a fluorinated carboxyquinolone with a benzoxazine ring. The chemical name of ofloxacin is: (▒)-9-fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido [1,2,3-de]-1,4-benzoxazine-6-carboxylic acid. The empirical formula of ofloxacin is C18H20FN3O4 and its molecular weight is 361.38. The structural formula is:

Fioricet with Codeine (Butalbital, Acetaminophen, Caffeine, and Codeine Phosphate) is supplied in capsule form for oral administration.

FML FORTE« (fluorometholone ophthalmic suspension 0.25%) sterile ophthalmic suspension is a topical anti-inflammatory product for ophthalmic use.

SUBSYS (fentanyl sublingual spray) is a potent opioid analgesic intended for sublingual mucosal administration.

ROMAZICON« (flumazenil) is a benzodiazepine receptor antagonist. Chemically, flumazenil is ethyl 8-fluoro-5,6-dihydro-5-methyl-6-oxo-4H-imidazo[1,5-a](1,4) benzodiazepine-3-carboxylate. Flumazenil has an imidazobenzodiazepine structure, a calculated molecular weight of 303.3, and the following structural formula:

PROPECIA« (finasteride), a synthetic 4-azasteroid compound, is a specific inhibitor of steroid Type II 5?-reductase, an intracellular enzyme that converts the androgen testosterone into 5?-dihydrotestosterone (DHT).