Alkaloids found in Euphorbiaceae

Yohimbine, also known as quebrachine, is an indole alkaloid derived from the bark of the African tree Pausinystalia johimbe (yohimbe) and from the bark of the unrelated South American tree Aspidosperma quebracho-blanco. It is a veterinary drug used to reverse xylazine.

Glaucine (also known as 1,2,9,10-tetramethoxyaporphine, bromcholitin, glauvent, tusidil, and tussiglaucin) is an aporphine alkaloid found in several different plant species in the family Papaveraceae, such as Glaucium flavum, Glaucium oxylobum, and Corydalis yanhusuo, and in other plants such as Croton lechleri in the family Euphorbiaceae.

Alchorneine is an imidazopyrimidine alkaloid found in trees in the genus Alchornea such as Alchornea castaneifolia, Alchornea floribunda or Alchornea cordifolia.