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通过质谱和核磁共振等手段，鉴定了从砂地柏中分离出的具杀虫活性物质ＳＦＯ２为脱氧鬼臼毒素。并验证了脱氧鬼臼毒素的拒食活性。
By mass spectrometry and nuclear magnetic resonance and other means, identified from the sand and cypress isolated insecticidal active substance SFO2 deoxypodophyllotoxin. The antifeedant activity of deoxypodophyllotoxin was also verified.