Calcium (2S)-2-(4-(((2-amino-5-formyl-4-oxo-1,4,4a,5,6,7,8,8a-octahydropteridin-6-yl)methyl)amino)benzamido)-4-carboxybutanoate 1g

Calcium (2S)-2-(4-(((2-amino-5-formyl-4-oxo-1,4,4a,5,6,7,8,8a-octahydropteridin-6-yl)methyl)amino)benzamido)-4-carboxybutanoate 1g