201312849diethyl (2S)-2-[[4-[(2,4-diaminopteridin-6-yl)methyl-methylamino]benzoyl]amino]pentanedioate

201312850(2S)-2-[[4-[(2,4-diamino-7-oxo-8H-pteridin-6-yl)methyl-methylamino]benzoyl]amino]pentanedioic acid

201312851diethyl (2S)-2-[[4-(methylamino)benzoyl]amino]pentanedioate

201312852(2R,3R,4S)-2,3,4,6-tetrahydroxy-5-oxohexyl-dihydrogen phosphate

2013128536-(chloromethyl)pteridine-2,4-diamine Hydrochloride

201312854dimethyl (2S)-2-[[4-[(2,4-diaminopteridin-6-yl)methyl-methylamino]benzoyl]amino]pentanedioate

201312855(2,4-diaminopteridin-6-yl)methanol Hydrochloride

201312856N-[4-[[(2-amino-1,4-dihydro-4-oxo-6-pteridinyl)methyl]methylamino]benzoyl]-L-glutamic acid

2013128572-[[4-carboxy-4-[[4-[(2,4-diaminopteridin-6-yl)methyl-methylamino]benzoyl]amino]butanoyl]amino]pentan

201312858(2S)-2-[[(4S)-4-carboxy-4-[[(4S)-4-carboxy-4-[[4-[(2,4-diaminopteridin-6-yl)methyl-methylamino]benzoy

2013128596-(Bromomethyl)-2,4-pteridinediamine

2013128604-[(2,4-diaminopteridin-6-yl)methyl-methylamino]benzoic acid