Phendimetrazine tartrate, as the dextro isomer, has the chemical name of (2S,3S)-3,4-Dimethyl-2-phenylmorpholine L-(+)-tartrate (1:1).

PRANDIN« (repaglinide) is an oral blood glucose-lowering drug of the meglitinide class used in the management of type 2 diabetes mellitus (also known as non-insulin dependent diabetes mellitus or NIDDM). Repaglinide, S(+)2-ethoxy-4(2((3-methyl-l-(2-(l-piperidinyl) phenyl)- butyl) amino)-2-oxoethyl) benzoic acid, is chemically unrelated to the oral sulfonylurea insulin secretagogues.

Synagis (palivizumab) is a humanized monoclonal antibody (IgG1?) produced by recombinant DNA technology, directed to an epitope in the A antigenic site of the F protein of respiratory syncytial virus (RSV). Synagis (palivizumab) is a composite of human (95%) and murine (5%) antibody sequences. The human heavy chain sequence was derived from the constant domains of human IgG1 and the variable framework regions of the VHgenes Cor (1) and Cess (2). The human light chain sequence was derived from the constant domain of C?and the variable framework regions of the VLgene K104 with J?-4 (3). The murine sequences were derived from a murine monoclonal antibody, Mab 1129 (4), in a process that involved the grafting of the murine complementarity determining regions into the human antibody frameworks. Synagis (palivizumab) is composed of two heavy chains and two light chains and has a molecular weight of approximately 148,000 Daltons.

Name: ProAmatine« (midodrine hydrochloride) Tablets

PRIMACOR, brand of milrinone lactate injection, is a member of a class of bipyridine inotropic/vasodilator agents with phosphodiesterase inhibitor activity, distinct from digitalis glycosides or catecholamines. PRIMACOR (milrinone lactate) is designated chemically as 1,6-dihydro-2-methyl-6-oxo-[3,4'-bipyridine]-5-carbonitrile lactate and has the following structure:

PRAVACHOL« (pravastatin sodium) is one of a class of lipid-lowering compounds, the statins, which reduce cholesterol biosynthesis. These agents are competitive inhibitors of HMG-CoA reductase, the enzyme catalyzing the early rate-limiting step in cholesterol biosynthesis, conversion of HMG-CoA to mevalonate.

Polymyxin B for Injection (polymyxin b (polymyxin b sulfate) sulfate) is one of a group of basic polypeptide antibiotics derived from B polymyxa (B aerosporous). Polymyxin B (polymyxin b sulfate) sulfate is the sulfate salt of Polymyxins B1 and B2, which are produced by the growth of Bacillus polymyxa (Prazmowski) Migula (Fam. Bacillacea).It has a potency of not less than 6000 polymyxin B (polymyxin b sulfate) units per mg, calculated on the anhydrous basis.The structural formulae are:

Each tablet of Phenergan contains 12.5 mg, 25 mg, or 50 mg promethazine HCl. The inactive ingredients present are lactose, magnesium stearate, and methylcellulose. Each dosage strength also contains the following:

(See chart below for quantitative information.)

Each caplet (capsule shaped tablet) contains: