4-(5-苯基-1,3,4-噻二唑-2-基)吡啶

2-phenyl-1,3,4-thiadiazole

2,5-diphenyl-4,6-dihydro-1,3,4-thiadiazin-5-ol

2,5,6-triphenyl-4,6-dihydro-1,3,4-thiadiazin-5-ol

6-methyl-2,5-diphenyl-4,6-dihydro-1,3,4-thiadiazin-5-ol