The integration of biological and chemical data has provided patterns to identify three new Dysidea species from the Gulf of California (Pacific Ocean, Mexico). These three species are differentiated by distinctive ...

The gorgonian Muricea sp. contains two new degraded pregnanes, muricenones A (1) and B (2), whose structures have been defined by spectroscopic analysis. The uncommon carbon framework of muricenones may be biosynthetically ...

The first acylated nonlinear tetrasaccharide resin glycoside, soldanelline B (1), and its fatty acid derivative soldanellic acid B (2), have been isolated from a Portuguese Convolvulaceae Calystegia soldanella. The structures ...