68-19-9 AIDS-001650 AIDS001650 Anacobin Berubigen CN-Cbl Cyano-B12 Cyanocobalamin Cytobion Depinar Ducobee Erythrotin Hepavis Mecobalamin Megabion Nagravon Poyamin Rubripca Sytobex Vibalt Vitamin B12 Vitarubin