Syntheses and Bioactivity of 4"-Sulfonate-5-triphenylsilyl Avermectin B<sub>1a</sub> and Ivermectin B<sub>1a</sub> Derivatives

LIAO Lian-an, FANG Hong-yun, LI Zheng-ming, ZHAO Wei-guang, FAN Zhi-jin

Chemical Research in Chinese Universities . 2004, (5): 551 -557 .