strophanthidin

from The Century Dictionary.

• noun A colorless compound, C₂₇H₃₈O₇.2H₂O, prepared by the action of dilute acids on strophanthin. It crystallizes in small needles which melt at 169–178° C. The anhydrous compound melts at 235° C.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun organic chemistry A cardenolide found in species of the genus Strophanthus