8-chlorotheophylline Definition
ātklôrə-thē-ŏfə-lĭn
noun
A stimulant, C7 H7 N4 O2 Cl, that is used to form a salt with certain pharmaceutical drugs, such as diphenhydramine.
American Heritage Medicine
Origin of 8-chlorotheophylline
8- attachment of the chlorine atom to the carbon atom that is conventionally numbered 8 in the compound's purine double ring chloro– theophylline
From American Heritage Dictionary of the English Language, 5th Edition