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| 地衣酸 (C₁₈H₁₆O₇) | |||
| 地衣酸 | |||
| 地衣酸 (松萝酸 (usnic acid) 的别名；抗结核药); 地衣〔松萝〕酸 | |||
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usninic acid : 1 phrase in 1 subject |
| Chemistry | 1 |
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