pyrethri

  • Web除虫菊酯
1.
除虫菊酯
11111  除虫菊酯 ( Pyret hri n) 除虫菊指的是菊科菊属除虫菊亚属的若干种植 物。20 世纪初,研究人员开始研究天然除虫菊酯的 化学结...
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