英文别名:
rhizopterine;4-[[(2-Amino-1,4-dihydro-4-oxopteridin-6-yl)methyl]formylamino]benzoic acid;Formylpteroic acid;Rhizopterin;S.L.R. factor;S.lactis factor;Benzoic acid, 4-[[(2-amino-3,4-dihydro-4-oxo-6-pteridinyl)methyl]formylamino]-;Calcium Levofolinate Impurity 5