1 RBY Methylene ADP-beta-xylose 1.000 2 ADV Alpha-beta methylene ADP-ribose 1.000 3 SAD Beta-methylene-selenazole-4-carboxyamide-adenine dinucleotide 0.795 4 TAD Beta-methylene-thiazole-4-carboxyamide-adenine dinucleotide 0.795 5 A12 Phosphomethylphosphonic acid adenosyl ester 0.703 6 AP2 Phosphomethylphosphonic acid adenosyl ester 0.703