1,1′-Disinomenine is an alkaloid that can be isolated from the stems of Sinomenium acutum. 1,1′-Disinomenine shows weak inhibition against A549 and Hela cells[1].
References
[1] Jin HZ, et al. Morphinane alkaloid dimers from Sinomenium acutum. J Nat Prod. 2008 Jan;71(1):127-9. DOI:10.1021/np0704654