1	1UF	N-{4-[(2-amino-6-methyl-4-oxo-4,7-dihydro-3h-pyrrolo[2,3-D]pyrimidin-5-yl)sulfanyl]-2-chlorobenzoyl}-L-glutamic acid	1.000
2	GHW	N-({4-[(2-amino-6-methyl-4-oxo-3,4-dihydrothieno[2,3-D]pyrimidin-5-yl)sulfanyl]phenyl}carbonyl)-L-glutamic acid	0.909
3	GHC	N-({4-[(2-amino-6-ethyl-4-oxo-3,4-dihydrothieno[2,3-D]pyrimidin-5-yl)sulfanyl]phenyl}carbonyl)-L-glutamic acid	0.882