"A new steroidal alkaloid named acetyl etioline has been isolated from leaves, roots and stems of Solanum havanense and its structure elucidated by spectral data as (25s)-16a -acetoxi-22.26-epiminocholesta-5.22(n)-dien-3b-ol.It is also reported the presence of O(3)-b-d-glucopyranosyl-tomatidenol. "
"Abstract. A new spirostanic sapogenin named chamagenin has been isolated from the leaves and stems of Solanum chamaeacanthum, and its structure has been elucidated by spectral data as (25R)-spirost-5-en-3b,15a-diol."