Calyculins E, F, G, and H, additional inhibitors of protein phosphatases 1 and 2a, from the marine sponge discodermia calyx

Calyculins E, F, G, and H, additional inhibitors of protein phosphatases 1 and 2a, from the marine sponge discodermia calyx Isolation of Four New Calyculins from the Marine Sponge <i>Discodermia calyx</i>¹ Isolation of dephosphonocalyculin a from the marine sponge, Discodermia calyx Phosphocalyculin C as a pyrophosphate protoxin of calyculin C in the marine sponge Discodermia calyx Bioactive marine metabolites. 24. Isolation and structure elucidation of calyculins B, C, and D, novel antitumor metabolites, from the marine sponge Discodermia calyx Calyculin biogenesis from a pyrophosphate protoxin produced by a sponge symbiont Calyceramides A–C: neuraminidase inhibitory sulfated ceramides from the marine sponge Discodermia calyx Clavosines A−C from the Marine Sponge <i>Myriastra</i> <i>clavosa</i>:  Potent Cytotoxins and Inhibitors of Protein Phosphatases 1 and 2A Discorhabdin P, a New Enzyme Inhibitor from a Deep-Water Caribbean Sponge of the Genus <i>Batzella</i> Discorhabdin P, a New Enzyme Inhibitor from a Deep-Water Caribbean Sponge of the Genus <i>Batzella</i>