lanatoside

noun

la·​nat·​o·​side lə-ˈnat-ə-ˌsīd 

: any of three poisonous crystalline cardiac steroid glycosides occurring in the leaves of a foxglove (Digitalis lanata):

a

: the glycoside C₄₉H₇₆O₁₉ yielding digitoxin, glucose, and acetic acid on hydrolysis

called also digilanid A, lanatoside A

b

: the glycoside C₄₉H₇₆O₂₀ yielding gitoxin, glucose, and acetic acid on hydrolysis

called also digilanid B, lanatoside B

c

: the bitter glycoside C₄₉H₇₆O₂₀ yielding digoxin, glucose, and acetic acid on hydrolysis and used similarly to digitalis

called also digilanid C, lanatoside C