pentaquine

pen·ta·quine

(pĕn′tə-kwēn′, -kwĭn) or pen·ta·quin (-kwĭn)
n.
A synthetic drug used with quinine in the prevention or treatment of malaria.
References in periodicals archive ?
The first group of medication to control hypertension was associated with adverse effects so significant that relatively few patients complied with the prescribed medication, which included methyldopa, reserpine, pentaquine, hydralazine, and guanethidine.