Pontemazines A and B, Phenazine Derivatives Containing a Methylamine Linkage from Streptomyces sp. UT1123 and Their Protective Effect to HT‐22 Neuronal Cells.

Pontemazines A (Ia) and B (Ib) possess a neuronal cell protective effect on glutamate-induced mouse hippocampal HT-22 cell damage.