Xanthurenic acid and xanthurenic acid-8-methyl ether.

@article{Kotake1968XanthurenicAA,
  title={Xanthurenic acid and xanthurenic acid-8-methyl ether.},
  author={Yashige Kotake and Eiichi Murakami and Masaaki Abe},
  journal={Medical journal of Osaka University},
  year={1968},
  volume={19 1},
  pages={13-23}
}