4'-N-Methyl-5'-hydroxystaurosporine and 5'-Hydroxystaurosporine, New Indolocarbazole Alkaloids from a Marine Micromonospora sp. Strain.

4'-N-Methyl-5'-hydroxystaurosporine and 5'-Hydroxystaurosporine, New Indolocarbazole Alkaloids from a Marine Micromonospora sp. Strain. 4'-N-Methyl-5'-hydroxystaurosporine and 5'-Hydroxystaurosporine, New Indolocarbazole Alkaloids from a Marine Micromonospora sp. Strain. Cytotoxic Staurosporines from the Marine Ascidian <i>Cystodytes solitus</i> Cytotoxic Staurosporines from the Marine Ascidian <i>Cystodytes solitus</i> Further New Staurosporine Derivatives from the Ascidian Eudistoma toealensis and Its Predatory Flatworm Pseudoceros sp. Further New Staurosporine Derivatives from the Ascidian <i>Eudistoma </i><i>t</i><i>oealensis</i> and Its Predatory Flatworm <i>Pseudoceros</i> sp. Holyrines A and B, possible intermediates in staurosporine biosynthesis produced in culture by a marine actinomycete obtained from the North Atlantic Ocean Anti-proliferative effects of new staurosporine derivatives isolated from a marine ascidian and its predatory flatworm Anti-proliferative effects of new staurosporine derivatives isolated from a marine ascidian and its predatory flatworm 11-Hydroxystaurosporine: a highly cytotoxic, powerful protein kinase C inhibitor from a tunicate