The two components decreased by 20.2%, 45.6%, respectively, after drying in vacuo, and they were not observed after drying under atmospheric pressure.

  • 减压干燥后两个化合物分别减少了20.2%和45.6%,常压干燥后,两个化合物均检测不到。

  • 互联网摘选 2025-01-20 12:41:14

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