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(2007/10/02)2-(4-{[2-(Dimethylamino-methyleneamino)-5-methyl-4-oxo-3,4,5,6,7,8-hexahydro-pteridin-6-ylmethyl]-amino}-benzoylamino)-pentanedioic acid dibutyl ester
2-{4-[(2-Amino-5-methyl-4-oxo-3,4,5,6,7,8-hexahydro-pteridin-6-ylmethyl)-amino]-benzoylamino}-pentanedioic acid dibutyl ester
N-imidazocarbonylmethinonine t-butyl ester
5-methyldihydrofolic acid
3'-amino-3'-deoxy-N6,N6-dimethyladenosine