4-[[(2,4-Diamino-6-pteridinyl)methyl]methylamino] benzoic Acid 2,4-Diamino-N10- methylpteroic Acid 4-Amino-4-deoxy-10-methylpteroic Acid 4-Amino-4-deoxy-N10- methylpteroic Acid 4-Amino-4-deoxy-N10-methylpteroic Acid 4-Deoxy-4-amino-N10- 1 * 500 mg