From the fresh aerial parts of Senecio selloi (Asteraceae), two diastereome
ric triterpenes with a hitherto unknown skeleton have been isolated. The st
ructure has been elucidated mainly by advanced NMR experiments, including i
nverse techniques, HMQC, HMBC, ROESY. (C) 1999 Elsevier Science Ltd. All ri
ghts reserved.