PHYTOCHEMISTRY, cilt.40, sa.6, ss.1717-1722, 1995 (SCI İndekslerine Giren Dergi)
The whole plant extract of Inula thapsoides afforded seven new structurally related guaianolides. The structures and stereochemistry were determined by spectroscopic methods, particularly one- and two-dimensional NMR spectroscopy, and extensive NOE experiments.