A novel testostone 5α-reductase inhibitor, 8′,9′-dehydroascochlorin produced by verticillium sp FO-2787 - Takamatsu, K; Rho, M C; Masuma, R; Hayashi, M; Komiyama, K; Tanaka, H; Omura, S (Chem Pharm Bull, 1994)