Folidan-d4;Foliben-d4;Folaren-d4;CalciuM Folinate-d4;Leucovorin-d4 Calcium Salt Pentahydrate;Folinic Acid-d4 CalciuM Salt Pentahydrate;N-[4-[[(2-AMino-5-forMyl-1,4,5,6,7,8-hexahydro-4-oxo-6-pteridinyl)Methyl]aMino]benzoyl-d4]-L-glutaMic Acid CalciuM Salt Pentahydrate