Helicascolide C, a new lactone from an Indonesian marine algicolous strain of Daldinia eschscholzii (Xylariaceae, Ascomycota) - Tarman, K; Palm, G J; Porzel, A; Merzweiler, K; Arnold, N; Wessjohann, L A; Unterseher, M; Lindequist, U (Phytochem Lett, 2012)