[On the chemistry and biochemistry of cobalamines. XX. On purine cobamide and its coenzyme form].
D001671:Biochemistry; D003038:Cobamides; D003067:Coenzymes / Q000737:chemistry*; D011687:Purines / Q000737:chemistry*; D014805:Vitamin B 12 / Q000031:analogs & derivatives
D003038:Cobamides; D003067:Coenzymes; D011687:Purines; D014805:Vitamin B 12; C030985:purine
COENZYMES/chemistry; PURINES/chemistry; VITAMIN B 12/related compounds