Idaein chloride is a glycoside derivative of cyanidin, a potent inhibitor of EGFR, used in comparative analysis of anti-EGF activity in cancer cells.

Keracyanin chloride（Cyanidin 3-rutinoside chloride）是一种花青素，具有抗氧化性质。它能抑制氧化的小牛胸腺 DNA 中丙二醛的形成。

Delphinidin chloride is an anthocyanidin isolated and purified from the fruits of Vaccinium myrtillus which serves as the precursor of certain anthocyanins that provide the blue-red colors of flowers, fruits, and red wine.