Cycloartane triterpenes isolated from Combretum quadrangulare in a screening program for death-receptor expression enhancing activity

Kazufumi Toume, Takafumi Nakazawa, Takashi Ohtsuki, Midori A. Arai, Takashi Koyano, Thaworn Kowithayakorn, Masami Ishibashi^*

^*この論文の責任著者