Chester, DO/ Elix, JA 1979: 2-O-methylobtusatic acid, a new depside from the lichen Xanthoparmelia tusconensis. - Australian Journal of Chemistry32: 1399-1400. [RLL List # 105-16 / Rec.# 3130] Keywords: XANTHOPARMELIA/ DEPSIDE/ CHEMISTRY/ 2-O-METHYLOBTUSATIC
Abstract: 1 table. Several unnumbered figures. [The new depside has been both isolated from specimens and synthesized. It occurs in X. tusconensis along with usnic and diffractaic acids.]