Limaciamine, a New Diacylguanidine Isolated from the North Sea Nudibranch Limacia clavigera

Limaciamine, a New Diacylguanidine Isolated from the North Sea Nudibranch <i>Limacia clavigera</i> Sequestered Chemistry of the Arminacean Nudibranch<i>Leminda</i><i>m</i><i>illecra</i>in Algoa Bay, South Africa 2-Aminoimidazoles and their zinc complexes from indo-pacific leucetta sponges and notodoris nudibranchs 1,3-Dimethyllumazine Derivatives from <i>Limnatis </i><i>n</i><i>ilotica</i> 2-Norlimacusine, Nouvelle Bisbenzylisoquinoleine Isolee de Sciadotenia eichleriana Studies on the Alkaloids of Menispermaceous Plants. CCXLVIII. : Alkaloids of Limacia oblonga (MIERS) HOOK. f. et. THOMS New Imidazole Alkaloids From the Sponge Leucetta sp. and the Associated Predatory Nudibranch Notodoris gardineri Alkaloids of limacia cuspidata the structures of three new bisbenzylisoquinoline alkaloids. Ptilomycalin D, a Polycyclic Guanidine Alkaloid from the Marine Sponge <i>Monanchora dianchora</i> Ptilomycalin D, a Polycyclic Guanidine Alkaloid from the Marine Sponge Monanchora dianchora