Finally, the reason for stereo-isomer variation of cholestane in different depths and abundances are explained.
最后解释了生物标志化合物胆甾烷的立体同分异构体不同深度丰度变化的原因。
2
Research advance on non ester pyrethroids was reviewed. Its structural feature, biological activity, research present situation, stereoisomer and resistance were described.