Y. Yamaoka

Saponins from Amaranthus hypochondriacus.

H. Kohda, S. Tanaka, Y. Yamaoka, 1991, Chemical & pharmaceutical bulletin.

Saponins from Talinum triangulare.

H. Kohda, M. Ishak, Y. Yamaoka, 1992 .

Studies on lens-aldose-reductase inhibitor in medicinal plants. II. Active constituents of Monochasma savatierii Franch. et Maxim.

T. Tanimoto, S. Yahara, T. Nohara, 1989, Chemical & pharmaceutical bulletin.

Saponins from leaves of Acanthopanax hypoleucus Makino.

H. Kohda, S. Tanaka, Y. Yamaoka, 1990, Chemical & pharmaceutical bulletin.

Constituents of Corchorus olitorius L.

H. Kohda, Y. Yamaoka, Y. Ohhara, 1994 .