quinoidine

qui.noi.dine

n.（名词）
A brownish-black mixture of alkaloids remaining after extraction of crystalline alkaloids from cinchona bark, used as a quinine substitute.
奎诺酊：将金鸡纳树皮中提取结晶生物碱之后，剩下来一种黑褐色的生物碱混合物，用作奎宁的替代物