2,4-Diamino-6-(hydroxymethyl)pteridine hydrochloride73978-41-3100 % similar 2,4-Diamino-6-hydroxymethylpteridine945-24-492 % similar Aminopterin54-62-640 % similar Methotrexate59-05-238 % similar 2,4-Diamino-6,7-diisopropylpteridine Phosphate84176-65-837 % similar Pralatrexate146464-95-137 % similar Sodium methotrexate7413-34-536 % similar 2-Aminoadenosine2096-10-834 % similar 4-Hydroxy-2,5,6-triaminopyrimidine1004-75-734 % similar 2-Amino-2′-deoxyadenosine4546-70-734 % similar Guanine hydrochloride635-39-233 % similar 2,5-Diamino-4,6-dihydroxypyrimidine hydrochloride56830-58-132 % similar 2,4-Diamino-6-hydroxypyrimidine56-06-432 % similar 2-Amino-3′-O-methyladenosine80791-88-432 % similar 2-Amino-5-pyrimidinemethanol120747-85-531 % similar 2,6-Diamino-5-nitroso-4(3H)-pyrimidinone2387-48-631 % similar