A. Neoprene
B. Aspirin
C. Chloroquin
D. Isoprene
🧠 Explanation:
Chloroquine is a chemical compound used as an anti-malarial drug. “Compound” is a noun, and “used in” is a phrasal verb. Alternatives like “medication” or “chemical agent” exist. Its action inhibits malaria parasite development, making it crucial in tropical medicine, pharmacology, and public health strategies.
