D. A. Dias and S. Urban 2009: Phytochemical investigation of the Australian lichens Ramalina glaucescens and Xanthoria parietina. - Natural Product Communications4(7): 959-964. [RLL List # 217 / Rec.# 30689] Keywords: RAMALINA/ XANTHORIA/ AUSTRALIA/ CHEMISTRY/ 5-CHLOROSEKIKAIC ACID/ ANTIBACTERIAL/ ANTITUMOR/ USNIC ACID
Abstract: [Includes isolation of a new halogenated depside, 5-chlorosekikaic acid. Authors also tested isolated compounds for antibacterial and antitumor activity. Usnic acid was the most effective compound.]