TRIDIONE (trimethadione) is an antiepileptic agent. An oxazolidinedione compound, it is chemically identified as 3,5,5-trimethyloxozolidine-2,4-dione, and has the following structural formula:

THYRO-TABS (levothyroxine sodium tablets, USP) contains synthetic crystalline L-3,3,5,5-tetraiodothyronine sodium salt [levothyroxine (T4) sodium]. Synthetic T4 is identical to that produced in the human thyroid gland. Levothyroxine (T4) sodium has an empirical formula of C15H10I4N NaO4xH2O, molecular weight of 798.86 g/mol (anhydrous), and structural formula as shown:

TONOCARD*(Tocainide HCl) is a primary amine analog of lidocaine with antiarrhythmic properties useful in the treatment of ventricular arrhythmias. The chemical name for tocainide hydrochloride is 2-amino-N-(2,6-dimethylphenyl) propanamide hydrochloride. Its empirical formula is C11H16N2O HCl, with a molecular weight of 228.72.

TRITEC (ranitidine bismuth citrate) Tablets contain a complex of ranitidine, trivalent bismuth, and citrate. Chemically, ranitidine bismuth citrate is N-2-[5-Dimethylaminomethyl-2-furanylmethylthio]ethyl-N'- methyl-2-nitroethenediamine 2-hydroxy-1,2,3- propanetricarboxylate, bismuth (III). Analysis shows that ranitidine bismuth citrate is substoichiometric in ranitidine and citrate.

Restoril (temazepam) is a benzodiazepine hypnotic agent. The chemical name is 7-chloro1,3-dihydro-3-hydroxy-1-methyl-5-phenyl-2H-1,4-benzodiazepin-2-one, and the structural formula is:

TRIZIVIR: TRIZIVIR Tablets contain the following 3 synthetic nucleoside analogues: abacavir sulfate (ZIAGEN), lamivudine (also known as EPIVIR or 3TC), and zidovudine (also known as RETROVIR, azidothymidine, or ZDV) with inhibitory activity against HIV-1. TRIZIVIR Tablets are for oral administration. Each film-coated tablet contains the active ingredients 300 mg of abacavir as abacavir sulfate, 150 mg of lamivudine, and 300 mg of zidovudine, and the inactive ingredients magnesium stearate, microcrystalline cellulose, and sodium starch glycolate. The tablets are coated with a film (OPADRY green 03B11434) that is made of FD&C Blue No. 2, hypromellose, polyethylene glycol, titanium dioxide, and yellow iron oxide.

Tekturna HCT is a fixed combination of aliskiren, an orally active, nonpeptide, direct renin inhibitor, and hydrochlorothiazide, a thiazide diuretic that is provided as tablets for oral administration.

Theophylline in 5% Dextrose Injections USP (theophylline in dextrose excel container) are sterile, nonpyrogenic solutions intended for intravenous administration, prepared from theophylline and dextrose in Water for Injection USP.