(2S)-2-[[4-[[(6S)-2-amino-5-formyl-4-oxo-1,6,7,8-tetrahydropteridin-6-yl]methylamino]benzoyl]amino]pentanedioate (2S)-2-[[[4-[[(6S)-2-amino-5-formyl-4-oxo-1,6,7,8-tetrahydropteridin-6-yl]methylamino]phenyl]-oxomethyl]amino]pentanedioate (2S)-2-[[4-[[(6S)-2-amino-5-formyl-4-keto-1,6,7,8-tetrahydropteridin-6-yl]methylamino]benzoyl]amino]glutarate (2S)-2-[[4-[[(6S)-2-amino-5-methanoyl-4-oxo-1,6,7,8-tetrahydropteridin-6-yl]methylamino]phenyl]carbonylamino]pentanedioate ZINC04019705