[mass noun]an addictive drug derived from coca or prepared synthetically, used as an illegal stimulant and sometimes medicinally as a local anaesthetic 古柯碱,可卡因(古柯中提取或人工合成的上瘾麻醉药,系违禁兴奋剂,医学上有时用作局部麻醉剂)
An alkaloid; Chem. formula: C17H21NO4 一种生物碱,化学分子式:C17H21NO4