2H-1-Benzopyran-3-carboxylic acid, 4-hydroxy-2-oxo-, ethyl ester价格

2H-1-Benzopyran-3-carboxylic acid, 4-hydroxy-2-oxo-, ethyl ester

• CAS号 1821-20-1
• 分子式 C₁₂H₁₀O₅
• 分子量 234.20500

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