Kiyotaka Koyama

Anti-influenza virus activity of biflavonoids

Kazuhiko Miki, Takayuki Nagai, Kazushige Suzuki et al. · Bioorganic & Medicinal Chemistry Letters · 2006 · 103 citations

Medicine, Antiviral Drug Development, Virology +4

Antiemetic Principles of <i>Alpinia officinarum</i>

Daitetsu Shin, Kaoru Kinoshita, Kiyotaka Koyama et al. · Journal of Natural Products · 2002 · 101 citations

Bioorganic Chemistry, New Compound, Biochemistry +14

Anti-emetic principles of Pogostemon cablin (Blanco) Benth.

Yuting Yang, Kaoru Kinoshita, Kiyotaka Koyama et al. · Phytomedicine · 1999 · 91 citations

Biology, Botany, Natural Sciences +2

Four new azaphilones from Chaetomium globosum var. flavo-viridae.

Masanao Takahashi, Kiyotaka Koyama, Shinsaku Natori · Chemical and Pharmaceutical Bulletin · 1990 · 85 citations · Full text

Biosynthesis, Bioorganic Chemistry, Biochemistry +8

Pyridone Alkaloids from a Marine-Derived Fungus, <i>Stagonosporopsis cucurbitacearum</i>, and Their Activities against Azole-Resistant <i>Candida albicans</i>

Asami Haga, Hiroki Tamoto, Masahiro Ishino et al. · Journal of Natural Products · 2013 · 81 citations