Chaetochromins B, C and D, bis(naphtho-gamma-pyrone) derivatives from Chaetomium gracile.

@article{Koyama1987ChaetochrominsBC,
  title={Chaetochromins B, C and D, bis(naphtho-gamma-pyrone) derivatives from Chaetomium gracile.},
  author={Kiyotaka Koyama and Shunji Natori},
  journal={Chemical & pharmaceutical bulletin},
  year={1987},
  volume={35 2},
  pages={578-84}
}