1	P1G	((2r,4r,6r,6as)-4-(2-amino-6-oxo-1,6-dihydropurin-9-yl)-6-(hydroxymethyl)-tetrahydrofuro[3,4-D][1,3]dioxol-2-yl)methylphosphonic acid	1.000
2	P2G	(2s,4r,6r,6as)-4-(2-amino-6-oxo-1,6-dihydropurin-9-yl)-6-(hydroxymethyl)-tetrahydrofuro[3,4-D][1,3]dioxol-2-ylphosphoni C acid	0.700