3-[(4-amino-2-methylpyrimidin-5-yl)methyl]-5-(2-{[(S)-hydroxy(phosphonoamino)phosphoryl]oxy}ethyl)-4-methyl-1,3-thiazol-3-ium
3-[(4-amino-2-methylpyrimidin-5-yl)methyl]-5-(2-{[(s)-hydroxy(phosphonoamino)phosphoryl]oxy}ethyl)-4-methyl-1,3-thiazol-3-ium