1	3ZF	{2-[(3s)-3-(2-amino-6-oxo-1,6-dihydro-9h-purin-9-yl)pyrrolidin-1-yl]-2-oxoethyl}phosphonic acid	1.000
2	3ZE	{2-[(3s,4r)-3-(2-amino-6-oxo-1,6-dihydro-9h-purin-9-yl)-4-hydroxypyrrolidin-1-yl]-2-oxoethyl}phosphonic acid	0.958