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(2007/10/02)4-[(2,4-diaminopteridin-6-ylmethyl)methylamino]benzoic acid
N-(4-amino-4-deoxy-N10-methylpteroyl)-4-carbamoylglutamic acid
N-(4-amino-4-deoxy-N10-methylpteroyl)-4-cyanoglutamic acid
dimethyl N-(4-amino-4-deoxy-N10-methylpteroyl)-4-methylene-DL-glutamate
2-{4-[(2,4-Diamino-pteridin-6-ylmethyl)-methyl-amino]-benzoylamino}-4-methylene-pentanedioic acid