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| vitamin D₂ (C₂₃H₄₄O); ergocalciferol (C₂₃H₄₄O); calciferol (C₂₃H₄₄O) | |||
| 维生素 D₂ 钙化醇: 1 phrase in 1 subject |
| Animal husbandry | 1 |
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