2-[4-(Benzyloxycarbonyl-methyl-amino)-benzoylamino]-4-fluoro-pentanedioic acid diisopropyl ester
D,L-erythro,threo-4-fluoroglutamic acid
2-Fluoro-4-(4-methylamino-benzoylamino)-pentanedioic acid diisopropyl ester
N-<4-<<(2,4-diamino-6-pteridinyl)methyl>methylamino>benzoyl>-4-fluoro-glutamic acid
2-{4-[(2,4-Diamino-pteridin-6-ylmethyl)-methyl-amino]-benzoylamino}-4-fluoro-pentanedioic acid diisopropyl ester