A poisonous, pale-yellow alkaloid, C22H25NO6, obtained from the autumn crocus and used in plant breeding to induce chromosome doubling and in medicine to treat gout.

• 秋水仙碱一种有毒的、淡黄色生物碱，c22h25no6，从秋天的番红花中提取，用于植物生长中的染色体加倍和用于治疗痛风