Armillaric Acid, A New Antibiotic Produced by Armillaria mellea - Obuchi, Tadashi; Kondoh, Hideaki; Watanabe, Naoharu; Tamai, Masaharu; Imura, Sadafumi; Jun-Shan, Yang; Xiao-Tian, Liang (Planta Medica, 1990)