DILAUDID (hydromorphone hydrochloride), a hydrogenated ketone of morphine, is an opioid analgesic.

DAPTACEL (diphtheria and tetanus toxoids and acellular pertussis vaccine adsorbed) vaccine is a sterile isotonic suspension of pertussis antigens and diphtheria and tetanus toxoids adsorbed on aluminum phosphate, for intramuscular injection.

DURAGESIC« (fentanyl transdermal system) is a transdermal system providing continuous systemic delivery of fentanyl, a potent opioid analgesic, for 72 hours. The chemical name is N-Phenyl-N-(1-(2-phenylethyl)-4-piperidinyl) propanamide. The structural formula is:

DARAPRIM (pyrimethamine) is an antiparasitic compound available in tablet form for oral administration. Each scored tablet contains 25 mg pyrimethamine and the inactive ingredients corn and potato starch, lactose, and magnesium stearate.

Dipyridamole Injection USP is a coronary vasodilator described as 2,2',2",2'"-[(4,8-Dipiperidinopyrimido [5,4-d]pyrimidine-2,6-diyl)dinitrilo]tetraethanol. It has the following structural formula:

DUETACT« (pioglitazone hydrochloride and glimepiride) tablets contain two oral antihyperglycemic agents used in the management of type 2 diabetes: pioglitazone hydrochloride and glimepiride. The concomitant use of pioglitazone and a sulfonylurea, the class of drugs that includes glimepiride, has been previously approved based on clinical trials in patients with type 2 diabetes inadequately controlled on a sulfonylurea. Additional efficacy and safety information about pioglitazone and glimepiride monotherapies may be found in the prescribing information for each individual drug.

Certiva (diphtheria and tetanus toxoids and acellular pertussis vaccine adsorbed) TM (Diphtheria and Tetanus sterile combination of diphtheria, Toxoids and Acellular Pertussis Vaccine Adsorbed) is a tetanus, and pertussis toxoids (one pertussis antigen, inactivated pertussis toxin), adsorbed onto aluminum hydroxide.1 It is intended for intramuscular injection only. After shaking, Certiva (diphtheria and tetanus toxoids and acellular pertussis vaccine adsorbed) TM is a homogeneous white suspension. The pertussis toxin (PT) is isolated from Phase 1 Boraktella pertussis grown in modified Stainer-Scholte medium. After purification by afIinity chromatography, which includes the use of fetuin, a bovine serum protein, as an aflinity ligand, PT is detoxified using hydrogen peroxide.

AMPYRA (dalfampridine) is a potassium channel blocker, available in a 10 mg tablet strength. Each tablet contains 10 mg dalfampridine, formulated as an extended release tablet for twice-daily oral administration. Dalfampridine is also known by its chemical name, 4-aminopyridine, with the following structure:

DOXIL (doxorubicin HCl liposome injection) is doxorubicin hydrochloride (HCl) encapsulated in STEALTH« liposomes for intravenous administration.

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 C33H37N5O5ĽCH4O3S.