An antitumor agent containing at least one compound selected from the group consisting of nerigoside, oleandrigenin, sarmentoside, oleaside A, oleandrin, 8β-hydroxy odoroside A, narciclasine, trans-dihydronarciclasine and bisdeoxynarciclasine is provided, this antitumor agent has an advantage of having an excellent therapeutic effect of tumor and less side effects.

176519-75-8

C30H46O8

534.68

(< 1 mg/ml refers to the product slightly soluble or insoluble )
Powder: -20°C for 3 years
In solvent: -80°C for 2 years