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Which of the following is considered a xanthine?

a. Acetylcysteine
b. Guaifenesin
c. Theophylline
d. Epinephrine HCL

User Delalma
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1 Answer

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The answer is C. theophylline. Xanthine is a kind of purine base found in many human body tissues and fluids and in other organisms. Theophylline is a kind of methylated xanthine.
User Yann Moisan
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