1986 Volume 39 Issue 6 Pages 800-803
A new, highly substituted phenazine with antitumor activity was isolated from the culture broth of a Streptomyces sp. This compound, whose structure was determined by spectroscopic methods and verified by X-ray diffraction analysis, was found to be methyl 6-formyl-4, 7, 9-trihydroxy-8-methyl-1-phenazinecarboxylate.