Rigidin E, a New Pyrrolopyrimidine Alkaloid from a Papua New Guinea Tunicate Eudistoma Species

Rigidin E, a New Pyrrolopyrimidine Alkaloid from a Papua New Guinea Tunicate Eudistoma Species Rigidins B−D, New Pyrrolopyrimidine Alkaloids from a Tunicate Cystodytes Species Rigidin, a novel alkaloid with calmodulin antagonistic activity from the okinawan marine tunicate Eudistoma cf. rigida Eudistomidins E and F, new β-carboline alkaloids from the okinawan marine tunicate Eudistoma glaucus β-Carboline Alkaloids from a Korean Tunicate <i>Eudistoma</i> sp. Eudistomidins H–K, new β-carboline alkaloids from the Okinawan marine tunicate Eudistoma glaucus Six new alkaloids from the purple Red Sea tunicate Eudistoma sp Eudistones A and B: two novel octacyclic alkaloids from a seychelles tunicate. Eudistoma sp Eudistomidins H–K, new β-carboline alkaloids from the Okinawan marine tunicate Eudistoma glaucus Eudistones A and B: two novel octacyclic alkaloids from a seychelles tunicate. Eudistoma sp