63949-98-4 ALANINE, N-(p-((2,4-DIAMINO-6-PTERIDYLMETHYL)AMINO)BENZOYL)-, SODIUM SALT, DL- DL-Alanine, N-(4-(((2,4-diamino-6-pteridinyl)methyl)amino)benzoyl)-, monosodium salt DL-N-(p-((2,4-Diamino-6-pteridylmethyl)amino)benzoyl)alanine sodium salt