PENTAQUINE

noun

also pen·ta·quin ˈpentəˌkwēn, -_kwə̇n

( -s )

Etymology: penta- + quin olin e

: a liquid basic antimalarial C 18 H 27 N 3 O that is an amino-methoxy-quinoline derivative and is used chiefly in the form of its pale yellow crystalline phosphate