1	ENJ	(4s)-5-methanethioyl-1-(5-O-phosphono-beta-D-ribofuranosyl)-4-sulfo-1,4-dihydropyridine-3-carbothioic S-acid	1.000
2	4EY	3-methanethioyl-1-(5-O-phosphono-beta-D-ribofuranosyl)-5-(sulfanylcarbonyl)pyridin-1-ium	0.857
3	NCN	Nicotinate mononucleotide	0.724
4	NMN	Beta-nicotinamide ribose monophosphate	0.724