RYZOLTÖ (tramadol hydrochloride extended-release tablets) is a centrally acting analgesic composed of a dual-matrix delivery system with both immediate-release and extended-release characteristics. The chemical name for tramadol hydrochloride is (▒)cis-2-[(dimethylamino) methyl]-1-(3-methoxyphenyl) cyclohexanol hydrochloride. Its structural formula is:

Theophylline in 5% Dextrose Injection, USP is a sterile, nonpyrogenic solution of Theophylline, Anhydrous, USP in 5% Dextrose Injection. It contains no antimicrobial agents. Theophylline is structurally classified as a methylxanthine. It occurs as a white, odorless, crystalline powder with a bitter taste. Anhydrous theophylline has the chemical name 1H-Purine-2,6-dione,3,7-dihydro-1,3-dimethyl-, and is represented by the following structural formula:

Mellaril« (thioridazine HCl) is 2-methylmercapto-10-[2-(N-methyl-2-piperidyl) ethyl] phenothiazine.

TICE« BCG for intravesical use, is an attenuated, live culture preparation of the Bacillus of Calmette and Guerin (BCG) strain of Mycobacterium bovis.1 The TICE (bacillus of calmette and guerin) « strain was developed at the University of Illinois from a strain originated at the Pasteur Institute.

Tyzeka is the trade name for telbivudine, a synthetic thymidine nucleoside analogue with activity against hepatitis B virus (HBV). The chemical name for telbivudine is 1-((2S,4R,5S)-4-hydroxy-5hydroxymethyltetrahydrofuran-2-y1)-5-methyl-1H-pyrimidine-2,4-dione, or 1-(2-deoxy-?-L-ribofuranosyl)-5 -methyluracil. Telbivudine is the unmodified ?-L enantiomer of the naturally occurring nucleoside, thymidine. Its molecular formula is C10H14N2O5, which corresponds to a molecular weight of 242.23. Telbivudine has the following structural formula:

TRILISATE (choline magnesium trisalicylate) Tablets/ Liquid are nonsteroidal, anti-inflammatory preparations containing choline magnesium trisalicylate which is freely soluble in water. The absolute structure of choline magnesium trisalicylate is not known at this time. Choline magnesium trisalicylate has a molecular formula of C26H29O10NMg, and a molecular weight of 539.8.

TROVAN Tablets contain trovafloxacin mesylate, a synthetic broad-spectrum antibacterial agent for oral administration. Chemically, trovafloxacin mesylate, a fluoronaphthyridone related to the fluoroquinolone antibacterials, is (1?, 5?, 6?)-7-(6-amino-3-azabicyclo[3.1.0]hex-3-yl)-1-(2,4-difluorophenyl)-6-fluoro-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid, monomethanesulfonate. Trovafloxacin mesylate differs from other quinolone derivatives by having a 1,8-naphthyridine nucleus.

Slo-Phyllin« Tablets (theophylline tablets, USP) are scored, dye-free tablets providing 100 mg or 200 mg of theophylline, anhydrous, USP.

CIALIS (tadalafil) is a selective inhibitor of cyclic guanosine monophosphate (cGMP)-specific phosphodiesterase type 5 (PDE5). Tadalafil has the empirical formula C22H19N3O4 representing a molecular weight of 389.41. The structural formula is:

TOBREX« (tobramycin ophthalmic ointment) 0.3% is a sterile topical ophthalmic antibiotic formulation prepared specifically for topical therapy of external ophthalmic infections.