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Terms for subject Agriculture containing vitamin B₁₂ | all forms | in specified order only
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vitamin B₁₂ 钻胺素 (C₆₃H₉₀CON₁₄O₁₄P)
vitamin B₁₂维生素B₁₂
vitamin B₁₂a羟钻胺素
vitamin B₁₂a维生素 B₁₂a