Synonyms: n-(4-{[(2-amino-4a-hydroxy-5-methyl-4-oxo-1,4,4a,5,6,7-hexahydropteridin-6-yl)methyl]amino}benzoyl)-l-glutamic acid;4a-Hydroxy-5-methyltetrahydrofolic acid;AC1L4VPB;AC1Q5QRF;4a-Hydroxy-5-methyltetrahydrofolate;AR-1J8783;(2S)-2-[[4-[(2-amino-4a-hydroxy-5-methyl-4-oxo-6,7-dihydro-1H-pteridin-6-yl)methylamino]benzoyl]amino]pentanedioic acid;L-Glutamic acid, N-(4-(((2-amino-3,4,4a,5,6,7-hexahydro-4a-hydroxy-5-methyl-4-oxo-6-pteridinyl)methyl)amino)benzoyl)-