ethyl 2,2-difluoro-2-(4-nitrophenylthio)acetate

ethyl 2,2-difluoro-2-[(4-methylphenyl)thio]acetate

ethyl 2-(4-chlorophenylthio)-2,2-difluoroacetate

三氟乙酸钠

2,4,6-三(三氟甲基)-1,3,5-三嗪