2-[[4-[(2,4-二氨基蝶啶-6-基)甲基-甲基氨基]苯甲酰基]氨基]-5-[(2-甲基丙烷-2-基)氧基]-5-氧代戊酸

6-((S)-4-{4-[(2,4-Diamino-pteridin-6-ylmethyl)-methyl-amino]-benzoylamino}-4-methoxycarbonyl-butyrylamino)-hexanoic acid

6-((S)-4-{4-[(2,4-Diamino-pteridin-6-ylmethyl)-methyl-amino]-benzoylamino}-4-methoxycarbonyl-butyrylamino)-hexanoic acid tert-butyl ester

2-{4-[(2,4-diamino-pteridin-6-ylmethyl)-methyl-amino]-benzoylamino}-4-{2-[3,4,5-triacetoxy-6-(4,5-diacetoxy-2-acetoxymethyl-6-fluoro-tetrahydro-pyran-3-yloxy)-tetrahydro-pyran-2-ylmethylsulfanyl]-ethylcarbamoyl}-butyric acid methyl ester

2-{4-[(2,4-diamino-pteridin-6-ylmethyl)-methyl-amino]-benzoylamino}-4-{2-[3,4,5-triacetoxy-6-(4,5,6-triacetoxy-2-acetoxymethyl-tetrahydro-pyran-3-yloxy)-tetrahydro-pyran-2-ylmethylsulfanyl]-ethylcarbamoyl}-butyric acid methyl ester