ethyl α-amino-2-phenyl-1,3,4-thiadiazol-5-ylacetate

2-methyl-5-phenyl-1,3,4-thiadiazole

2-溴-5-苯基-1,3,4-噻二唑

2-氨基-5-苯基-1,3,4-噻二唑

diethyl 2-phenyl-1,3,4-thiadiazol-5-ylmalonate