6-(phenoxymethyl)pteridine-2,4-diamine

6-(溴甲基)-2,4-蝶啶二胺

(2S)-2-[[(4S)-4-carboxy-4-[[(4S)-4-carboxy-4-[[4-[(2,4-diaminopteridin-6-yl)methyl-methylamino]benzoyl]amino]butanoyl]amino]butanoyl]amino]pentanedioic acid