2-[[4-[[4-[(2,4-diaminopteridin-6-yl)methylamino]benzoyl]amino]-5-hydroxy-5-oxopentyl]carbamoyl]benzoic acid 2-[[4-[[4-[(2,4-diaminopteridin-6-yl)methylamino]benzoyl]amino]-5-hydroxy-5-oxo-pentyl]carbamoyl]benzoic acid 2-[[[4-[[[4-[(2,4-diamino-6-pteridinyl)methylamino]phenyl]-oxomethyl]amino]-5-hydroxy-5-oxopentyl]amino]-oxomethyl]benzoic acid 2-[[4-[[4-[(2,4-diaminopteridin-6-yl)methylamino]benzoyl]amino]-5-hydroxy-5-keto-pentyl]carbamoyl]benzoic acid 2-[[4-[[4-[(2,4-diaminopteridin-6-yl)methylamino]phenyl]carbonylamino]-5-hydroxy-5-oxo-pentyl]carbamoyl]benzoic acid 113857-87-7 N(SUP).ALPHA.-(4-AMINO-4-DEOXYPTEROYL)-N(SUP).GAMMA.-HEMIPHTHALOYL-L-ORNITHINE N(sup).alpha.-(4-amino-4-deoxypteroyl)-N(sup).delta.-hemiphthaloyl-L-ornithine NSC623017 NCI60_006821 Benzoic acid, 2-[[[4-carboxy-4-[[4-[[(2,4-diamino- 6-pteridinyl)methyl]amino]benzoyl]amino]butyl]amino]carbonyl L-Ornithine, N.alpha.-[4-[[(2,4-diamino-6-pteridinyl)methyl]amino]benzoyl]-N.delta.-(2-carboxybenzoyl)- N.ALPHA.-(4-AMINO-4-DEOXYLPTEROYL)-N.DELTA.-HEMIPHTHALOYL-L-ORNITHINE N.alpha.-(4-Amino-4-deoxypteroyl)-N.delta.- hemiphthaloyl-L-ornithine NSC633713 NCI60_011223