4. N-Glycosides of Indigo, Indirubine and Isoindigo as Anti-Cancer Drugs Abstract: N -Glycosides of indigo, indirubine and isoindigo, which can be regarded as blue, red and yellow sugars, were prepare
https://www.langer.chemie.uni-rostock.de/forschung2/forschungsthemen/n-glycosides/