3-(4-bromophenyl)-1H-quinazoline-2,4-dione

1H-benzo[g][3,1]benzoxazine-2,4-dione

2,4,5-三氯异氰酸苯酯

N-甲氧基-N-甲基氨基甲酰氯

4-异丙基噁唑啉-2,5-二酮