ABSTRACT

N

CONH

NMe3 OOC N

HOH H

Absolute Configuration

C25H28N4O4 448.521 Isol. from Aplysia dactylomela. Amorph. solid. Mp 204-2108 dec. [a]20 +7 (c, 0.68 in MeOH aq.). lmax 220 (log e 4.34); 272 (log e 3.56); 286 (log e 3.53); 290 (log e 3.45) (MeOH).