7-bromo-8-iodo-2H-[1,2,4]triazolo[4,3-a]pyridin-3-one

3-diazo-1,1-diethylurea

tert-butyl-[(4-isocyanatophenyl)methoxy]-dimethylsilane

3-(4-iodophenyl)-1,1-dimethylurea

5-(3-异氰酸苯基)-3-甲基-1,2,4-恶二唑