3d image of methylcobalamin skeletal formula

methylcobalamin cobalamin vitamin b12 cyanocobalamin cyano group methyl coordination chemistry metal–alkyl methanogenesis b12 deficiency peripheral neuropathy diabetic amyotrophic lateral sclerosis cofactor hydroxocobalamin adenosylcobalamin vitamer methyltetrahydrofolate-homocysteine methyltransferase mtr wood-ljungdahl pathway acetyl-coa biomethylation heavy metals megaloblastic anemia metabolite metabolism biosynthesis cycle mechanism biosynthetic intermediate biogenesis substrate precursor synthesis derivative bioprecursor metabolic enzyme endogenous contractor molecule molecular formula skeletal structural 3d