Kaempferol 7-O-glucoside

Kaempferol 7-O-glucoside is a flavonol glucoside. It can be found in Smilax china, and in the fern Asplenium rhizophyllum, and its hybrid descendants, as part of a complex with caffeic acid.

Derivatives
Amurensin is the tert-amyl alcohol derivative of kaempferol 7-O-glucoside. 6'-O-acetyl amurensin is found in the leaves of Phellodendron japonicum''.