2-氨基-6-氯苯并噻唑

3-二甲基氨基-1,2,4-二噻唑-5-硫代NE

3-溴-4-氨基-5-硝基吡啶

2-氯苯基异氰酸酯

3-(o-chlorophenyl)-5-(carbamido)imino-Δ2-1,4,2-oxathiazoline