13-乙基-17Β-羟基-18,19-二去甲孕甾-5(10)-烯-20-炔-3-酮 (左炔诺孕酮杂质B)生产厂家/供应商

13-乙基-17Β-羟基-18,19-二去甲孕甾-5(10)-烯-20-炔-3-酮 (左炔诺孕酮杂质B)

• CAS号 19914-67-1
• 分子式 C₂₁H₂₉O₂
• 分子量 313.45400

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