Erythromycin Base Filmtab (erythromycin tablets, USP) is an antibacterial product containing erythromycin, USP, in a unique, nonenteric film coating for oral administration. Erythromycin Base Filmtab (erythromycin tablets) tablets are available in two strengths containing either 250 mg or 500 mg of erythromycin base.

SUSTIVA® (efavirenz) is an HIV-1 specific, non-nucleoside, reverse transcriptase inhibitor (NNRTI). Efavirenz is chemically described as (S)-6-chloro-4-(cyclopropylethynyl)-l,4-dihydro-4-(trifluoromethyl)-2H-3,l-benzoxazin-2-one. Its empirical formula is C14H9ClF3NO2 and its structural formula is:

Natazia (estradiol valerate and estradiol valerate/dienogest) tablets provide an oral contraceptive regimen consisting of 26 active film-coated tablets that contain the active ingredients specified for each tablet below, followed by two inert tablets:

ELESTAT® (epinastine HCl ophthalmic solution) 0.05% is a clear, colorless, sterile isotonic solution containing epinastine HCl, an antihistamine and an inhibitor of histamine release from the mast cell for topical administration to the eyes.

INTELENCE® (etravirine) is a non-nucleoside reverse transcriptase inhibitor (NNRTI) of human immunodeficiency virus type 1 (HIV-1).

AFINITOR (everolimus), an inhibitor of mTOR, is an antineoplastic agent.

Amitriptyline HCl is 3-(10,11-dihydro-5H-dibenzo [a,d] cycloheptene-5-ylidene)-N,N-dimethyl-1-propanamine hydrochloride. Its empirical formula is C20H23N·HCl.

Elitek (rasburicase) is a recombinant urate-oxidase produced by a genetically modified Saccharomyces cerevisiae strain. The cDNA coding for rasburicase was cloned from a strain of Aspergillus flavus.

EQUETRO® (carbamazepine xr) is available for oral administration as 100 mg, 200 mg, and 300 mg extended-release capsules of carbamazepine, USP. Carbamazepine is a white to off-white powder, practically insoluble in water and soluble in alcohol and in acetone. Its molecular weight is 236.27. Its chemical name is 5H-dibenz[b,f]azepine-5-carboxamide, and its structural formula is:

Econazole nitrate cream contains the antifungal agent, econazole nitrate USP 1%, in a water-miscible base consisting of apricot kernel oil/PEG-6, benzoic acid, butylated hydroxytoluene, mineral oil, PEG-6-32 stearate/glycol stearate and purified water. The white to off-white soft cream is for topical use only.