7-Hydroxyceratinamine, a new cyanoformamide-containing metabolite from a sponge, Aplysinella sp

7-Hydroxyceratinamine (1) and the known compounds moloka'iamine (2), ceratinamine (3), and N,N,N-trimethyl-3,5-dibromotyramine (4), were isolated from a Micronesian sponge, Aplysinella sp. The structure of 1, which contains the unusual cyanoformamide moiety, was solved by spectroscopic analysis.