The highly irritant new Euphorbia factors N1 and N2 were isolated as a mixture from latex of E. nematocypha Hand.‐Mazz., by a combination of counter current distribution and chromatographic methods. Spectroscopic and chemical analyses revealed their structures to be 3‐0‐(2,4,6,8‐tetradecatetraenoyl)ingenol (1) and 3‐0‐(2,4,6,8‐pentadecatetraenoyl)ingenol (2), respectively.
No takes yet. Share an insight, caveat, or question.
Wu et al. (1992) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: