药物信息为Butalbital, Acetaminophen, Caffeine, and Codeine Phosphate Capsules CIII (Breckenridge Pharmaceutical, Inc.): DESCRIPTION

Butalbital, Acetaminophen, Caffeine, and Codeine Phosphate is supplied in capsule form for oral administration.

Each capsule contains the following active ingredients:

Codeine phosphate [7,8-didehydro-4,5a-epoxy-3-methoxy-17-methylmorphinan-6a-ol phosphate (1:1) (salt) hemihydrate, C₁₈H₂₄N0₇P, anhydrous mw 397.37], is a narcotic analgesic and antitussive. The structural formula of codeine phosphate is:

Butalbital (5-allyl-5-isobutylbarbituric acid, C₁₁H₁₆N₂0₃, mw 224.26), is a short-to intermediate- acting barbiturate. The structural formula of butalbital is:

Caffeine (1,3,7-trimethylxanthine, C₈H₁₀N₄O₂, mw 194.19), is a central nervous system stimulant. The structural formula of caffeine is:

Acetaminophen (4'-hydroxyacetanilide, C₈H₉NO₂, mw 151.16), is a non-opiate, non-salicylate analgesic and antipyretic. The structural formula of acetaminophen is:

Active Ingredients: Codeine Phosphate, USP, Butalbital, USP, Caffeine, USP, and Acetaminophen, USP. Inactive Ingredients: FD&C Blue No. 1, FD&C Red No. 3, FD&C Red No. 40, *FD&C Yellow No.5 (see PRECAUTIONS), Gelatin, Microcrystalline Cellulose, Sodium Lauryl Sulfate, Stearic Acid, Talc, Titanium Dioxide.