1-[2-bromo-6-chloro-4-(trifluoromethyl)phenyl]-4-methylsulfinyl-5-[1-(methoxyethylene)amino]-1H-pyrazole-3-carbonitrile 在
sodium cyanoborohydride 作用下,
生成
1-[2-bromo-6-chloro-4-(trifluoromethyl)phenyl]-4-methylsulfinyl-5-ethylamino-1H-pyrazole-3-carbonitrile