A fungal metabolite with diverse biological activities; reduces melanin production in Mel-Ab mouse melanocytes in a dose-dependent manner via ERK activation and downregulation of MITF; inhibits proliferation of human keratinocytes and thins the epidermis in a skin equivalent model of psoriasis vulgaris; inhibits growth of various bacteria and fungi (MICs = 1-40 μg/ml); inhibits growth of A549 lung cancer cells in a dose-dependent manner