Kaurane-3,16,17-triol,ent-kaurane-3-oxo-16α,17-diol,and ent-16α,17-dihydroxyatisan- 3-one are three kinds of toxic diterpenoids isolated from the roots of genus Euphorbia.

130855-22-0

C20H34O3

322.489

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