Answer: quinines

AnswerCrossword Clue
QUININESCinchona bark products used to treat malaria
quininessalt of quinine used especially as an antipyretic, antimalarial, and bitter tonic
quininesa bitter crystalline alkaloid C20H24N2O2 from cinchona bark used in medicine
quininesQUININE, an alkaloid, also QUININ, QUININA
quininesbitter substance used esp. to treat malaria