[Precursors in biosynthesis of cyanocobalamine nucleotides.  II.  Synthesis of new derivatives of vitamin B12].
D009711:Nucleotides / Q000378:metabolism*; D014805:Vitamin B 12 / Q000031:analogs & derivatives*
D009711:Nucleotides; D014805:Vitamin B 12
NUCLEOTIDES/metabolism; VITAMIN B12/derivatives
Prekursory biosyntezy nukleotydocyjanokobalamin.  II.  Synteza nowych pochodnych witaminu B12.