1	A4Y	(2s,3s)-2,3-dihydroxy-3-[(7s,8r,9as)-8-(2-{[(R)-hydroxy(phosphonooxy)phosphoryl]oxy}ethyl)-2,7-dimethyl-5,7,8,10-tetrahydro-9ah-pyrimido[4,5-D][1,3]thiazolo[3,2-a]pyrimidin-9a-yl]-2-methylbutanoic acid	1.000
2	HE3	2-hydroxyethyl dihydrothiachrome diphosphate	0.829
3	HTD	2-[(9ar)-2,7-dimethyl-9a,10-dihydro-5h-pyrimido[4,5-D][1,3]thiazolo[3,2-a]pyrimidin-8-yl]ethyl trihydrogen diphosphate	0.743