10.1021/np900620y.s001 Li-Jie Zhang Li-Jie Zhang Chun-Tang Chiou Chun-Tang Chiou Jing-Jy Cheng Jing-Jy Cheng Hui-Chi Huang Hui-Chi Huang Li-Ming Yang Kuo Li-Ming Yang Kuo Chia-Chin Liao Chia-Chin Liao Kenneth F. Bastow Kenneth F. Bastow Kuo-Hsiung Lee Kuo-Hsiung Lee Yao-Haur Kuo Yao-Haur Kuo Cytotoxic Polyisoprenyl Benzophenonoids from <i>Garcinia subelliptica</i> American Chemical Society 2010 spectroscopic analysis Garcinia subelliptica DU polyisoprenyl benzophenonoids Garcinia subellipticaSix Cytotoxic Polyisoprenyl Benzophenonoids cycloxanthochymol tumor cell lines KB Biological evaluation cytotoxic activity compound garcinialiptone 2010-04-23 00:00:00 Journal contribution https://acs.figshare.com/articles/journal_contribution/Cytotoxic_Polyisoprenyl_Benzophenonoids_from_i_Garcinia_subelliptica_i_/2774845 Six new polyisoprenyl benzophenonoids, (±)-garcinialiptone A (<b>1</b>, <b>2</b>), garcinialiptone B (<b>3</b>), (−)-cycloxanthochymol (<b>4</b>), garcinialiptone C (<b>5</b>), and garcinialiptone D (<b>6</b>), along with three known compounds, xanthochymol (<b>7</b>), isoxanthochymol (<b>8</b>), and cycloxanthochymol (<b>9</b>), were isolated from the fruits of <i>Garcinia subelliptica</i>. The structures of <b>1</b>−<b>6</b> were elucidated by spectroscopic analysis. Biological evaluation showed that all compounds <b>1</b>−<b>9</b> exhibited cytotoxic activity against a small panel of human tumor cell lines (A549, DU145, KB, vincristine-resistant KB).