DROXIA« (hydroxyurea capsules, USP) is available for oral use as capsules providing 200 mg, 300 mg, and 400 mg hydroxyurea. Inactive ingredients: citric acid, gelatin, lactose, magnesium stearate, sodium phosphate, titanium dioxide, and capsule colorants; FD&C Blue No. 1 and FD&C Green No. 3 (200 mg capsules); D&C Red No. 28, D&C Red No. 33, and FD&C Blue No. 1 (300 mg capsules); D&C Red No. 28, D&C Red No. 33, and D&C Yellow No. 10 (400 mg capsules).

Dapsone-USP, 4,4'-diaminodiphenylsulfone (DDS) is a primary treatment for Dermatitis herpetiformis. It is an antibacterial drug for susceptible cases of leprosy. It is a white, odorless crystalline powder, practically insoluble in water and insoluble in fixed and vegetable oils.

Mircette« (desogestrel/ethinyl estradiol and ethinyl estradiol) Tablets provide an oral contraceptive regimen of 21 white tablets each containing 0.15 mg desogestrel (13-ethyl-11- methylene-18,19-dinor-17 alpha-pregn- 4-en- 20-yn-17-ol), 0.02 mg ethinyl estradiol (19-nor-17 alpha-pregna-1,3,5 (10)-trien-20-yne-3,17-diol), and inactive ingredients which include vitamin E, corn starch, povidone, stearic acid, colloidal silicon dioxide, lactose, hydroxypropyl methylcellulose, polyethylene glycol, titanium dioxide, and talc, followed by 2 green tablets with the following inactive ingredients: lactose, corn starch, magnesium stearate, FD&C Blue No. 2 aluminum lake, yellow ferric oxide, hydroxypropyl methylcellulose, polyethylene glycol, titanium dioxide, and talc. Mircette« (desogestrel, ethinyl estradiol and ethinyl estradiol) also contains 5 yellow tablets containing 0.01 mg ethinyl estradiol (19-nor-17 alpha-pregna-1,3,5 (10)-trien-20-yne-3,17-diol) and inactive ingredients which include vitamin E, corn starch, povidone, stearic acid, colloidal silicon dioxide, lactose, hydroxypropyl methylcellulose, polyethylene glycol, titanium dioxide, talc, and yellow ferric oxide. The molecular weights for desogestrel and ethinyl estradiol are 310.48 and 296.40 respectively. The structural formulas are as follows:

D.H.E. 45 (dihydroergotamine) « is ergotamine hydrogenated in the 9, 10 position as the mesylate salt. D.H.E. 45 (dihydroergotamine) « is known chemically as ergotaman-3',6',18-trione,9,10-dihydro-12'-hydroxy-2'-methyl-5'- (phenylmethyl) (5'a)-, monomethanesulfonate. Its molecular weight is 679. 80 and its empirical formula is C13H37N5O5 Ě CH4O3S. Its chemical structure is:

Dovonex« (calcipotriene ointment), 0.005% contains the compound calcipotriene, a synthetic vitamin D3 derivative, for topical dermatological use.