N-(4-(((4S)-4-((4-(((2-AMINO-3,4-DIHYDRO-4-OXO-6-PTERIDINYL)METHYL)AMINO)BENZOYL)AMINO)-4-CARBOXY-1-OXOBUTYL)AMINO)BENZOYL)-L-GLUTAMIC ACID
n-(4-(((4s)-4-((4-(((2-amino-3,4-dihydro-4-oxo-6-pteridinyl)methyl)amino)benzoyl)amino)-4-carboxy-1-oxobutyl)amino)benzoyl)-l-glutamic acid