6-nitro-2,2-dimethyl-3,4-dihydro-2H-1-benzopyran价格

6-nitro-2,2-dimethyl-3,4-dihydro-2H-1-benzopyran

• CAS号 19989-17-4
• 分子式 C₁₁H₁₃NO₃
• 分子量 207.22600

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