pisatin

(S,S)-Pisatin (compound 8) is a dimeric pterocarpan derivative is isolated from the grains of millettia pachyloba[1][2].

[1] Mai HD, et al. Cytotoxic prenylated isoflavone and bipterocarpan from Millettia pachyloba. Planta Med. 2010 Oct;76(15):1739-42. DOI:10.1055/s-0030-1249834
[2] Sander C, et al. L-Phenylalanine ammonia-lyase and pisatin induction by 5-bromodeoxyuridine in Pisum sativum. Biochim Biophys Acta. 1979 Jul 26;563(2):278-92. DOI:10.1016/0005-2787(79)90047-9