[On the incorporation of purine bases into vitamin B12 analogs].
D000468:Alkalies; D001562:Benzimidazoles; D045728:Corrinoids; D006397:Hematinics; D011687:Purines; D014805:Vitamin B 12
D000468:Alkalies; D001562:Benzimidazoles; D045728:Corrinoids; D006397:Hematinics; D011687:Purines; D014805:Vitamin B 12; C030985:purine
BENZIMIDAZOLES; PURINES; VITAMIN B 12