Polycitorella mariae citorellamine from

Citorellamine (94) is an indole disulfide dihydrochloride from the Fijian tunicate Polycitorella mariae. It exhibits potent antimicrobial and insecticidal activity in addition to cytotoxicity [117]. The structure was later revised and syntheses of the proposed and true structures carried out [118]. 

Roll, D. M., Ireland, C. M., (1985). Citorellamine, a new bromoindole derivative from Polycitorella mariae. Tetrahedron Lett. 26, 4303-4306. 

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