A stilbene with diverse biological activities; active against C. tropicales, C. neoformans, A. fumigatus, A. flavus, and B. cinerea (MICs = 25, 12, 12, 25, 12 UG/ml, respectively); induces nuclear translocation of AhR in HaCaT keratinocytes (EC50 = 0.16 nM); induces expression of the AhR target gene CYP1A1 in HaCaT keratinocytes at 1µM; reduces activated immune cell-induced mRNA expression of the gene encoding IL-17a in isolated human keratinocytes at 10 µM