K. Kominato et al., MER-A2026A AND MER-A2026B, NOVEL PIERICIDINS WITH VASODILATING EFFECT.1. PRODUCING ORGANISM, FERMENTATION, ISOLATION AND BIOLOGICAL PROPERTIES, Journal of antibiotics, 48(2), 1995, pp. 99-102
A strain of Streptomyces was found to produce new piericidins. The com
pounds were purified and separated into two substances named Mer-A2026
A and B. These new piericidins exhibited vasodilating and depressor ac
tivities.