Derma-Smoothe/FS Topical Oil contains fluocinolone acetonide {(6a, 11b, 16a)-6,9-difluoro-11,21-dihydroxy-16,17[(1-methylethylidene)bis(oxy)]-pregna-1,4-diene-3,20-dione, cyclic 16,17 acetal with acetone}, a synthetic corticosteroid for topical dermatologic use. This formulation is also marketed as Derma-Smoothe/FS 0.01%, fluocinolone acetonide for use as body oil for atopic dermatitis in adults and for moderate to severe atopic dermatitis in pediatric patients 2 years and older and as fluocinone acetonide oil, 0.01%for chronic eczematous external otitis. Chemically, fluocinolone acetonide is C24 H30 F2 O6. It has the following structural formula:

DIFICID (fidaxomicin) is a macrolide antibacterial drug for oral administration. Its CAS chemical name is Oxacyclooctadeca-3,5,9,13,15-pentaen-2-one, 3-[[[6-deoxy-4-O-(3,5- dichloro-2-ethyl-4,6-dihydroxybenzoyl)-2-O-methyl-?-D-mannopyranosyl]oxy]methyl]-12- [[6-deoxy-5-C-methyl-4-O-(2-methyl-1-oxopropyl)-?-D-lyxo-hexopyranosyl]oxy]-11-ethyl- 8-hydroxy-18-[(1R)-1-hydroxyethyl]-9,13,15-trimethyl-, (3E,5E,8S,9E,11S,12R,13E,15E,18S)-. The structural formula of fidaxomicin is shown in Figure 1.

Each gram of Psorcon E Emollient Cream contains 0.5 mg diflorasone diacetate in a cream base.

Dantrium Intravenous is a sterile, non-pyrogenic, lyophilized formulation of dantrolene sodium for injection. Dantrium Intravenous is supplied in 70 mL vials containing 20 mg dantrolene sodium, 3000 mg mannitol, and sufficient sodium hydroxide to yield a pH of approximately 9.5 when reconstituted with 60 mL sterile water for injection USP (without a bacteriostatic agent).

DIPRIVAN (propofol) Injectable Emulsion is a sterile, nonpyrogenic emulsion containing 10 mg/mL of propofol suitable for intravenous administration. Propofol is chemically described as 2,6-diisopropylphenol and has a molecular weight of 178.27. The structural and molecular formulas are:

Dinoprostone vaginal insert is a thin, flat, polymeric slab which is rectangular in shape with rounded corners contained within the pouch of an off-white knitted polyester retrieval system. Each slab is buff colored, semitransparent and contains 10 mg of dinoprostone in a hydrogel insert. An integral part of the knitted polyester retrieval system is a long tape designed to aid retrieval at the end of the dosing interval or earlier if clinically indicated. The finished product is a controlled release formulation which has been found to release dinoprostone in vivo at a rate of approximately 0.3 mg/hr.

Desonate contains desonide [(pregna-1, 4-diene-3, 20-dione,11, 21-dihydroxy-16, 17-[(1-methylethylidene) bis(oxy)]-,(11?,16?)]- a synthetic nonfluorinated corticosteroid for topical dermatologic use. Chemically, desonide is C24H32O6. It has the following structural formula:

Doxercalciferol, the active ingredient in Hectorol (doxercalciferol injection) , is a synthetic vitamin D2 analog that undergoes metabolic activation in vivo to form 1?,25-dihydroxyvitamin D2 (1?,25-(0H)2D2), a naturally occurring, biologically active form of vitamin D2. Hectorol (doxercalciferol injection) is available as a sterile, clear, colorless aqueous solution for intravenous injection. Mectorol Injection is supplied as either 4 mcg/2mL or 2 mcg/mL each in a stoppered, single use 2 mL amber glass vial, with an aluminum seal and yellow (4 mcg/2mL) or green (2 mcg/mL) flip-off cap. Each milliliter (mL) of solution contains doxercalciferol, 2 meg; ethanol, 100%, 0.05 mL; Polysorbate 20,10 mg; sodium chloride, 1.5 mg; butylated hydroxytoluene, 0.02 mg; sodium phosphate dibasic, heptahydrate, 14.4 mg; sodium phosphate monobasic, monohydrate, 1.8 mg; and disodium edetate, 1.1 mg.

SUPRANE (desflurane) , a nonflammable liquid administered via vaporizer, is a general inhalation anesthetic. It is ()1,2,2,2-tetrafluoroethyl difluoromethyl ether:

Darvon contains propoxyphene hydrochloride, USP which is an odorless, white crystalline powder with a bitter taste. It is freely soluble in water. Chemically, it is (2S,3R)-(+)-4-(Dimethylamino)-3-methyl-1,2-diphenyl-2-butanol propionate (ester) hydrochloride, which can be represented by the accompanying structural formula. Its molecular weight is 375.94.