5-甲基-3-(4-硝基苯基)-1,2,4-恶二唑

tert-butyl (4-(5-methyl-1,2,4-oxadiazol-3-yl)phenyl)carbamate

对氨基苯腈

4-氰基苯基氨基甲酸叔丁酯

[4-(N-羟基甲脒基)苯基]氨基甲酸叔丁酯