leucylalanine, leucovorin calcium, DL-Leucyl-DL-alanine, Leucovorin calcium pentahydrate, DL-Leucin-DL-leucin, Leucylleucin, N-leucyl-alanine, N-leucyl-leucine, Folidan, Folinic acid calcium salt, FOLINIC ACID CALCIUM CELL CULTURE TESTED, leucylleucine, N-Leucyl-alanin, 5-formyl-5,6,7,8-tetrahydropteroyl-L-glutamic acid calcium salt, Foliben, H-Leu-Ala-OH, N-Leucyl-leucin, Folaren