Marine Alkaloids. 18. Securamines and Securines, Halogenated Indole-Imidazole Alkaloids from the Marine Bryozoan Securiflustra securifrons¹

Marine Alkaloids. 18. Securamines and Securines, Halogenated Indole-Imidazole Alkaloids from the Marine Bryozoan <i>Securiflustra securifrons</i>¹ Marine Alkaloids. 19. Three New Alkaloids, Securamines E−G, from the Marine Bryozoan <i>Securiflustra securifrons</i> Marine Alkaloids. 19. Three New Alkaloids, Securamines E−G, from the Marine Bryozoan Securiflustra securifrons Securamine Derivatives from the Arctic Bryozoan <i>Securiflustra securifrons</i> A Novel Brominated Alkaloid Securidine A, Isolated from the Marine Bryozoan Securiflustra securifrons Antimicrobial Activity of Securamines From the Bryozoan Securiflustra securifrons Marine alkaloids. 3. Bromo-substituted alkaloids from the marine bryozoan Flustra foliacea, flustramine C and flustraminol A and B Marine Alkaloids, 15. Two Alkaloids, Flustramine E and Debromoflustramine B, from the Marine Bryozoan Flustra foliacea Marine Alkaloids, 15. Two Alkaloids, Flustramine E and Debromoflustramine B, from the Marine Bryozoan Flustra foliacea Secu'amamine A, a novel indolizidine alkaloid from Securinega suffruticosa var. amamiensis