铃兰(Convallaria majalis L.)又名君影草,为百合科植物,药用其花,根茎及全草。关于苏联,欧洲及日本产的铃兰的药理作用,早已有过报告。1929年 Karrer 提出其有效成分之结晶称为 Convallatoxin 铃兰毒戒,化学上 Cnvalliatoxin 近似毒毛旋花素 K,也含有毒毛旋花素 K 所含有的配基 Strophanthidin, Lily of the valley (Convallaria majalis L.), also known as Jun Ying Grass, Liliaceae plants, medicinal flowers, rhizomes and whole grass. The pharmacological effects of lily of the valley in the Soviet Union, Europe and Japan have long been reported. In 1929 Karrer proposed the crystallization of its active ingredient called Convallatoxin lily of the mouth, chemically Cnvalliatoxin similar to poisonous curcumin K, also contains poisonous curculin K contained ligand Strophanthidin,