P. Chumsri

Lignan and megastigmane glycosides from Sauropus androgynus.

R. Kasai, K. Yamasaki, H. Otsuka, 2003, Phytochemistry.

Megastigmane and iridoid glucosides from Clerodendrum inerme.

R. Kasai, K. Yamasaki, Y. Hiraga, 2001, Phytochemistry.

Biodiversity and natural product drug discovery

C. Mahidol, S. Ruchirawat, S. Sirisinha, 1998 .

Note: A new iridoid diglycoside from Clerodendrum chinense

R. Kasai, K. Yamasaki, H. Otsuka, 2005, Journal of Asian natural products research.

Lotthanongine, an unprecedented flavonoidal indole alkaloid from the roots of Thai medicinal plant, Trigonostemon reidioides

R. Kasai, K. Yamasaki, K. Kraisintu, 2002 .

Quassinoids from Eurycoma harmandiana.

R. Kasai, K. Yamasaki, T. Kanchanapoom, 2001, Phytochemistry.