Tiazac« (diltiazem hydrochloride) is a calcium ion cellular influx inhibitor (slow channel blocker). Chemically, diltiazem hydrochloride is 1,5-Benzothiazepin-4(5H)-one, 3-(acetyloxy)-5-[2(dimethylamino)ethyl]-2, 3-dihydro-2-(4-methoxyphenyl)-, monohydrochloride, (+)-cis-. The chemical structure is:

Valcyte contains valganciclovir hydrochloride (valganciclovir HCl), a hydrochloride salt of the L-valyl ester of ganciclovir that exists as a mixture of two diastereomers. Ganciclovir is a synthetic guanine derivative active against CMV.

PrandiMet (repaglinide and metformin HCl) tablets contain two oral antihyperglycemic drugs used in the management of type 2 diabetes: repaglinide and metformin HCl. The concomitant use of repaglinide and metformin HCl has been previously approved based on clinical trials in patients with type 2 diabetes inadequately controlled on exercise, diet, and metformin HCl alone.

Methyldopate HCl (methyldopate hydrochloride injection, solution) Injection, USP, is an antihypertensive agent for intravenous use. Sterile, nonpyrogenic.

Benazepril hydrochloride is a white to off-white crystalline powder, soluble ( > 100 mg/mL) in water, in ethanol, and in methanol. Benazepril hydrochloride's chemical name is 3-[[1-(ethoxycarbonyl)-3-phenyl-(1S)-propyl]amino]-2,3,4,5-tetrahydro-2-oxo-1H-1-(3S)-benza zepine-1-acetic acid monohydrochloride; its structural formula is

LINCOCIN Sterile Solution contains lincomycin hydrochloride which is the monohydrated salt of lincomycin, a substance produced by the growth of a member of the lincolnensis group of Streptomyces lincolnensis (Fam. Streptomycetaceae). The chemical name for lincomycin hydrochloride is Methyl 6,8-dideoxy-6-(1-methyl-trans-4-propyl-L-2-pyrolidinecarboxamido)-1-thio-D-erythro-?-D-galacto-octopyranoside monohydrochloride monohydrate. The molecular formula of lincomycin hydrochloride is C18H34N2O6S.HCl.H2O and the molecular weight is 461.01.

IMODIUM« (loperamide hydrochloride), 4-(p-chlorophenyl)-4-hydroxy-N, N-dimethyl- a, a-diphenyl-1-piperidinebutyramide monohydrochloride, is a synthetic antidiarrheal for oral use.

Deconsal« CT (phenylephrine hcl and pyrilamine maleate tannate chewable tablets) Tannate Chewable Tablets are an antihistamine/nasal decongestant combination for oral administration as a chewable tablet.

4% Xylocaine-MPF (lidocaine HCl) Sterile Solution (Methylparaben Free) contains a local anesthetic agent and is administered topically or by injection. See INDICATIONS for specific uses.

Pamelor« (nortriptyline HCl) is 1-Propanamine, 3-(10,11-dihydro-5H-dibenzo[a,d]cyclohepten-5-ylidene)-N-methyl-, hydrochloride.