an antimalarial drug (trade name Larium and Mephaquine) that is effective in cases that do not respond to chloroquine; said to produce harmful neuropsychiatric effects on some people
An antimalarial drug C₁₇H₁₆F₆N₂O similar to quinine that consists of a fluorinated derivative of quinoline and is used in the form of its hydrochloride for the prevention and treatment of malaria.