Yusuke Hirasawa, - and Saori Miyama, - and Takahiro Hosoya, - and Koichiro Koyama, - and Abdul Rahman, - and Idha Kusumawati, - and Noor Cholies Zaini, - and Hiroshi Morita, - (2009) Alasmontamine A, A First Tetrakis Monoterpene Indole Alkaloid from Tabernaemontana elegans. ORGANIC LETTERS, 11 (24). pp. 8718-8721. ISSN 1523-7052

Yusuke Hirasawa, - and Saori Miyama, - and Nobuo Kawahara, - and Yukihiro Goda, - and Abdul Rahman, - and Wiwied Ekasari, - and Aty Widyawaruyanti, - and Gunawan Indrayanto, - and Noor Cholies Zaini, - and Hiroshi Morita, - (2009) Indole Alkaloids from the Leaves of Alstonia scholaris. Heterocycles, 79 (1). pp. 1107-1112. ISSN 0385-5414