Penasulfate A, a New α-Glucosidase Inhibitor from a Marine Sponge Penares sp.

Penasulfate A, a New α-Glucosidase Inhibitor from a Marine Sponge<i> Penares </i>sp. Schulzeines A−C, New α-Glucosidase Inhibitors from the Marine Sponge Penares schulzei¹ Callyspongynic Acid, a Polyacetylenic Acid Which Inhibits α-Glucosidase, from the Marine Sponge <i>Callyspongia </i><i>t</i><i>runcata</i> Penaresidin A and B, two novel azetidine alkaloids with potent actomyosin ATPase-activating activity from the Okinawan marine sponge Penares sp. Penazetidine A, an alkaloid inhibitor of protein kinase C Penasins A−E, Long-Chain Cytotoxic Sphingoid Bases, from a Marine Sponge <i>Penares</i> sp Penasins A−E, Long-Chain Cytotoxic Sphingoid Bases, from a Marine Sponge <i>Penares</i> sp Penaresidin A and B, two novel azetidine alkaloids with potent actomyosin ATPase-activating activity from the Okinawan marine sponge Penares sp. Occurrence of the α-Glucosidase Inhibitor 1,4-Dideoxy-1,4-imino-<scp>d</scp>-arabinitol and Related Iminopentitols in Marine Sponges Penaresin, a New Sarcoplasmic Reticulum Ca-Inducer from the Okinawan Marine Sponge Penares Sp.