1	YL4	[(R)-(2,3-dihydro-1-benzofuran-5-yl){[6-(4-methylphenyl)thieno[2,3-D]pyrimidin-4-yl]amino}methyl]phosphonic acid	1.000
2	YL3	({[6-(4-methylphenyl)thieno[2,3-D]pyrimidin-4-yl]amino}methyl)phosphonic acid	0.710