2-phenyl-6,7,8,9-tetrahydro-[1,3,4]thiadiazolo[2,3-b]quinazolin-5-one

2-氯-5-苯基-1,3,4-噻二唑

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

ethyl N-(5-phenyl-1,3,4-thiadiazol-2-yl)carbamate