Chlorophyllin a-catalyzed photoreduction of viologen dyes (Krasnovsky reaction).
D002734:Chlorophyll; D004396:Coloring Agents; D008433:Mathematics; D010084:Oxidation-Reduction; D010777:Photochemistry; D011726:Pyridinium Compounds
D004396:Coloring Agents; D011726:Pyridinium Compounds; D002734:Chlorophyll