Dolabellane diterpenoids from Aglaia odorata

Dolabellane diterpenoids (1-5) were obtained from the ornamental plant Aglaia odorata. Compounds 1 and 5 showed weak cytotoxicity against the human myeloid leukemia HL-60, hepatocellular carcinoma SMMC-7721, and lung cancer A-549 cells.