1	C6T	2'-deoxy-5'-O-[(S)-hydroxy{[(R)-hydroxy(phosphonomethyl)phosphoryl]amino}phosphoryl]-3,4-dihydrothymidine	1.000
2	DUN	2'-deoxyuridine 5'-alpha,beta-imido-diphosphate	0.767
3	1FZ	5'-O-[(R)-hydroxy{[(R)-hydroxy(phosphonooxy)phosphoryl]amino}phosphoryl]thymidine	0.706