5-(p-methoxyphenyl)-2-phenyl-2-trifluoromethyl-1,3,4-oxathiazole

丁炔二酸二甲酯

5-(p-methoxyphenyl)-2-trichloromethyl-1,3,4-oxathiazole

2,2-bis(trichloromethyl)-5-(p-methoxyphenyl)-1,3,4-oxathiazole

5-(p-chlorophenyl)-3-(p-methoxyphenyl)-4-phenyl-4,5-dihydro-1,2,4-thiadiazole