SEARCH Articles Figures Tables Baccharis megapotamica verrucarins from Tubulosine, deoxy Verrucarin Verrucarin Verrucarin E, synthesis Verrucarin acetate Verrucarin production Verrucarin synthesis Verrucarin, biosynthesis Verrucarine Verrucarine synthesis Verrucarine via retro Diels-Alder reactions Verrucarines Verrucarines Verrucarinic acid Verrucarinic acid synthesis Verrucarinic derivatives