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A new sterol,ergosta-8(9),22-diene-3,5,6,7-tetraol(3β,5α,6β,7α,22E)(A) together withthree known sterols:3β,5α,6β-trihydroxyergosta-7,22-diene(B),3β-hydroxy-5α,8α- epidioxyergosta-6,22-diene (C) and ergosterol (D) were isolated from the mycelia of an unide