aspidospermine

from The Century Dictionary.

• noun A crystalline alkaloid, C₂₂H₃₀ON₂, found in Aspidosperma Quebracho. It melts at 206° and is very difficultly soluble in water.

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

• noun medicine An alkaloid, obtained from quebracho bark, that was once used as a respiratory stimulant and antispasmodic, and as an antipyretic in typhoid fever