Dihydrofolic acid4033-27-6100 % similar Tetrahydrofolic acid135-16-068 % similar Folic acid59-30-366 % similar 5-Methyltetrahydrofolic acid134-35-065 % similar Levomefolic acid31690-09-265 % similar Leucovorin58-05-963 % similar Pemetrexed137281-23-357 % similar Aminopterin54-62-656 % similar N-(4-Aminobenzoyl)-L-glutamic acid4271-30-147 % similar Methotrexate59-05-247 % similar Pralatrexate146464-95-145 % similar N-(4-Nitrobenzoyl)-L-glutamic acid6758-40-344 % similar Calcium folinate1492-18-844 % similar Calcium levofolinate80433-71-244 % similar Dihydrobiopterin6779-87-938 % similar Tifolar150399-23-838 % similar Pteroic acid119-24-438 % similar Levomefolate glucosamine1181972-37-137 % similar Raltitrexed112887-68-036 % similar Carbamylglutamic acid1188-38-135 % similar