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CAS号: 516482-61-4 英文名称: 4H,5H-Pyrano[4,3-b]pyran-4,5-dione,2-ethyl-2,3-dihydro-7-methyl-(9CI) 英文同义词: 2H,5H-Pyrano[4,3-b]pyran-4,5(3H)-dione, 2-ethyl-7-methyl-;4H,5H-Pyrano[4,3-b]pyran-4,5-dione,2-ethyl-2,3-dihydro-7-methyl-(9CI) 中文名称: 中文同义词: 分子式: C11H12O4 分子量: 208.21