Fustin
Introduction '''Fustin''', sometimes called "dihydrofisetin", is a flavanonol, a type of flavonoid. It can be found in young fustic (''Cotinus coggygria'') and in the lacquer tree (''Toxicodendron vernicifluum'').Fustin shows protective effects on 6-hydroxydopamine-induced neuronal cell death.Unlike fisetin, fustin has no double bond in the C-ring. This makes fustin a flavan, with two stereocenters and four stereoisomers.
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