Cytotoxic anthrone-cyclopentenone heterodimers from the fungus Penicillium sp. guided by molecular networking
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(±)-Penicithrones A-D (1a/1b-4a/4b), four novel pairs of anthrone-cyclopentenone heterodimers characterized by a distinctive bridged 6/6/6-5 tetracyclic core skeleton, together with three previously identified compounds (5-7), were isolated from the crude ext... ...
