(S)-2-(4-((R)-1-(2,4-diaminopteridin-6-yl)pent-4-yn-2-yl)benzamido)pentanedioic acid; L-Glutamic acid, N-(4-((1R)-1-((2,4-diamino-6-pteridinyl)methyl)-3-butynyl)benzoyl)-; (2S)-2-[[4-[(2R)-1-(2,4-diaminopteridin-6-yl)pent-4-yn-2-yl]benzoyl]amino]pentanedioic acid
