Bayogenin 3-O-beta-D-glucopyranoside is a natural product from Polygala japonica Houtt.

Dihydromollugin is a naphthol ester found in Rubia cordifolia that may have anti-tumour, virus-inhibiting and other activities.

Rehmannioside D 是存在于地黄根中的类胡萝卜素苷。