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Mo S, Wang S, Zhou G, Yang Y, Li Y, Chen X, Shi J. Phelligridins C−F: Cytotoxic Pyrano[4,3-c][2]benzopyran-1,6-dione and Furo[3,2-c]pyran-4-one Derivatives from the Fungus Phellinus igniarius. J. Nat. Prod. 2004 Apr 21;67(5):823–8. doi: 10.1021/np030505d. |