上游原料
2-Benzofuran-1,3-dione;1,2-Benzenedicarboxylic Anhydride;1,2-BENZENE DICARBOXYLIC ACID ANHYDRIDE;1,2-BENZENEDICARBONIC ACID, ANHYDRIDE;1,3-DIOXOPHTHALAN;1,3-ISOBENZOFURANDIONE;o-phthalic anhydride; Phthalic anhydride2,4,6-triamino-5-pyrimidinylamine; 2,4,5,6-pyrimidinetetraminep-aminobenzoic acid; 4-aminobenzoic acid2,5-bis(hydroxymethyl)-1,4-dioxane-2,5-diol(2,4-diamino-6-pteridinyl)methanol6-(bromomethyl)pyrido[3,2-d]pyrimidine-2,4-diamine; 2-amino-6-(bromomethyl)pyrido[3,2-d]pyrimidin-4-ylamine4-[[(2,4-diamino-6-pteridinyl)methyl]amino]benzoic acid4-[[(2,4-diamino-6-pteridinyl)methyl](formyl)amino]benzoic acidbis(4-nitrophenyl) carbonate;bis(4-nitrophenyl) carbonate;4,4'-Dinitrodiphenyl carbonate;Carbonic acid,bis(4-nitrophenyl) ester;Di-4-nitrophenylcarbonate;Di-p-nitrophenyl carbonate;p,p'-Dinitrodiphenylcarbonate4-nitrophenyl 4-[[(2,4-diamino-6-pteridinyl)methyl](formyl)amino]benzoatetrimethylsilyl (2S)-5-[(tert-butoxycarbonyl)amino]-2-[(trimethylsilyl)amino]pentanoate(2S)-5-[(tert-butoxycarbonyl)amino]-2-([4-[[(2,4-diamino-6-pteridinyl)methyl](formyl)amino]benzoyl]amino)pentanoic acid(2S)-5-amino-2-([4-[[(2,4-diamino-6-pteridinyl)methyl](formyl)amino]benzoyl]amino)pentanoic acid2-([[(4S)-4-carboxy-4-([4-[[(2,4-diamino-6-pteridinyl)methyl](formyl)amino]benzoyl]amino)butyl]amino]carbonyl)benzoic acid4-[[(2,4-diamino-6-pteridinyl)methyl](formyl)amino]benzoic acid4-[N-(2,4-Diaminopteridin-6-ylmethyl)-N-formylamino]benzoic acid isobutoxycarbonyl anhydridetrimethylsilyl (2S)-5-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)-2-[(trimethylsilyl)amino]pentanoate(2S)-2-([4-[[(2,4-diamino-6-pteridinyl)methyl](formyl)amino]benzoyl]amino)-5-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)pentanoic acid
