Probucol Related Compound B (25 mg) (4,4'-dithio-bis(2,6-di-tert-butylphenol))

Probucol Related Compound C (25 mg) (4-[(3,5-di-tert-butyl-2-hydroxyphenylthio)isopropylidenethio]-2,6-di-tert-butylphenol)

Procainamide Hydrochloride (200 mg)

Procaine Hydrochloride (200 mg)

Procarbazine Hydrochloride (200 mg)

Prochlorperazine Maleate (200 mg)

Prochlorperazine Related Compound A (10 mg) (4-Chloro-10-[3-(4-methylpiperazin-1-yl)propyl]-10H-phenothiazine dihydrochloride)

Procyclidine Hydrochloride (200 mg)

Progesterone (200 mg)

Progesterone Related Compound H (25 mg) (Pregna-4,6-diene-3,20-dione)