Bupivacaine hydrochloride is 2-Piperidinecarboxamide, 1-butyl-N-(2,6-dimethylphenyl)-, monohydrochloride, monohydrate, a white crystalline powder that is freely soluble in 95 percent ethanol, soluble in water, and slightly soluble in chloroform or acetone. It has the following structural formula:

Epinephrine 0.22 mg with the purpose of being a Bronchodilator.

A sterile solution intended for subcutaneous or intramuscular injection. When diluted, it may also be administered intracardially or intravenously. It may also be administered intraspinally by adding to anesthetic spinal fluid mixture. Each milliliter contains 1 mg Adrenalin (epinephrine) as the hydrochloride dissolved in Water for Injection, USP, with sodium chloride added for isotonicity.

A sterile solution intended for subcutaneous or intramuscular injection. When diluted, it may also be administered intracardially or intravenously. Each milliliter contains 1 mg Adrenalin (epinephrine) as the hydrochloride dissolved in Water for Injection, USP, with sodium chloride added for isotonicity. The ampoules contain not more than 0.1% sodium bisulfite as an antioxidant, and the air in the ampoule has been displaced by nitrogen. The Steri-Vials® contain 0.5% Chlorobutanol (chloroform derivative) as a preservative and not more than 0.15% sodium bisulfite as an antioxidant. Epinephrine is the active principle of the adrenal medulla, chemically described as (—)-3,4-Dihydroxy-?-[(methylamino) methyl] benzyl alcohol, and has the following structural formula:

Septocaine® (articane hcl and epinephrine injection) injection is a sterile, aqueous solution that contains articaine HCl 4% (40 mg/mL) and epinephrine bitartrate in an epinephrine 1:200,000 or epinephrine 1:100,000 strength. Articaine HCl is an amino amide local anesthetic, chemically designated as 4-methyl-3-[2-(propylamino)-propionamido]-2-thiophenecarboxylic acid, methyl ester hydrochloride and is a racemic mixture. Articaine HCl has a molecular weight of 320.84 and the following structural formula:

Each EpiPen® Auto-Injector delivers a single dose of 0.3 mg epinephrine injection, USP, 1:1000 (0.3 mL) in a sterile solution.