2-甲基-5-氧代-2,5-二氢-1H-吡唑-3-羧酸甲酯价格

2-甲基-5-氧代-2,5-二氢-1H-吡唑-3-羧酸甲酯

• CAS号 52867-42-2
• 分子式 C₆H₈N₂O₃
• 分子量 156.13900

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