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2-(2，5-dioxo-2，5-dihydro-1H-pyrrol-1-yl)ethyl acetate,95%, 100mg
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2-(2，5-dioxo-2，5-dihydro-1H-pyrrol-1-yl)ethyl acetate,95%, 250mg
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L-DOPA methyl ester,95%, 5mg
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N-(2-Hydroxyethyl)-maleinsaeureamid,95%, 100mg
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N-(2-Hydroxyethyl)-maleinsaeureamid,95%, 250mg
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Ethyl 2，5-dimethylbenzoate,≥97%, 25g
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Ethyl 2，5-dimethylbenzoate,≥97%, 5g
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O-phthalaldehyde Reagent,1mg/ml, matrix: glacial acetic acid, 5ml
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O-phthalaldehyde Reagent,1mg/ml, matrix: glacial acetic acid, 25ml
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O-phthalaldehyde Reagent,1mg/ml, matrix: glacial acetic acid, 100ml
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Phthalaldehyde application solution,0.2mg/ml, mixed solvent, 100ml
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