Reference

G. Guella, F. Dini, F. Erra, F. Pietra (1994): Raikovenal, a new sesquiterpenoid favouring adaptive radiation of the marine ciliate Euplotes raikovi, and its putative biogenetic precursor, preraikovenal – J. chem. Soc., Chem. Commun. – 1994: 2585 - 2586.