- Antineoplastic agents. 485. Isolation and structure of cribrostatin 6, a dark blue cancer cell growth inhibitor from the marine sponge Cribrochalina sp. Pettit, G.R., Collins, J.C., Knight, J.C., Herald, D.L., Nieman, R.A., Williams, M.D., Pettit, R.K. J. Nat. Prod. (2003)









