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Rigidins B-D, new pyrrolopyrimidine alkaloids from a tunicate Cystodytes species
Masashi Tsuda1, Kohei Nozawa, Kazutaka Shimbo
1Graduate School of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan.
Journal of Natural Products
|March 1, 2003
Abstract:
Three new pyrrolopyrimidine alkaloids, rigidins B-D (1-3), have been isolated from an Okinawan marine tunicate Cystodytes sp., and the structures were elucidated on the basis of spectroscopic data.